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| #include <bits/stdc++.h>
using namespace std;
const double eps = 1e-10; const double pi = 3.1415926535897932384626433832795; const double eln = 2.718281828459045235360287471352;
#define f(i, a, b) for (int i = a; i <= b; i++) #define scan(x) scanf("%d", &x) #define mp make_pair #define pb push_back #define lowbit(x) (x&(-x))
#define fi first #define se second #define SZ(x) int((x).size()) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define summ(a) (accumulate(all(a), 0ll))
typedef unsigned long long ull; typedef pair<int,int> pii; typedef vector<int> vi;
using ll=long long;
ll n,phi[(int)1e5+9],pr[(int)1e5+9],ans,cnt; const int mod=1e9+7; bitset<(int)1e5+9> vis; ll gcd(ll ma,ll mi){return mi?gcd(mi,ma%mi):ma;} ll lcm(ll a,ll b){return a/gcd(a,b)*b;} void getphi(int x){ vis.set(); phi[1]=1; for(int i=2;i<=x;++i){ if(vis[i]){ phi[i]=i-1,pr[++cnt]=i; } for(int j=1;j<=cnt&&i*pr[j]<=x;++j){ vis[i*pr[j]]=0; if(i%pr[j]==0){ phi[i * pr[j]] = phi[i] * pr[j]; break; }else phi[i*pr[j]]= phi[i] * phi[pr[j]]; } } phi[1]=0; }
vi factors(int x){ set<int>s; for(int i=1;i*i<=x;++i){ if(x%i==0)s.insert(i); if(x%i==0&&x%(x/i)==0)s.insert(x/i); } return vector<int>(s.begin(), s.end()); }
int main() { ios::sync_with_stdio(false); cin.tie(0); cin>>n; getphi(n); for(int i=1;i<n;++i){ for(auto it:factors(n-i)){ ans=(ans+lcm(i,it)*phi[(n-i)/it])%mod; } } cout<<ans; return 0; }
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