#include<cstdio>
using namespace std;
int e[100001];
int main(){
    freopen ("sum.in","r",stdin);
    freopen ("sum.out","w",stdout);
    int n,i,x,j;
    long long s;
    for(i=1;i<=100000;i++)
        e[i]=i*2;
    for(i=2;i<=100000;i++)
        if (e[i]==i*2)
            for(j=i;j<=100000;j+=i)
                e[j]=e[j]/i*(i-1);
    scanf ("%d",&n);
    for(i=1;i<=n;i++){
        scanf ("%d",&x);
        s=(long long) e[x]*x;
        printf ("%lld\n",s);
    }
    return 0;
}