#include <bits/stdc++.h>
using namespace std;
// #include <atcoder/modint>
// using namespace atcoder;
// using mint = modint998244353;
using ll = long long;
using lll = __int128_t;
#define fix(x) fixed << setprecision(x)
#define rep(i, n) for(int i = 0; i < n; ++i)
#define all(x) (x).begin(),(x).end()
template<class T>bool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool chmax(T&a, const T&b){if(a<b){a=b;return 1;}return 0;}
constexpr ll INFLL = (1LL << 62), MOD = 998244353;
constexpr int INF = (1 << 30);

lll pow_(lll x, ll y){
    lll res = 1;
    while(y){
        if(y&1) res *= x;
        x *= x;
        y >>= 1;
    }
    return res;
}

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int q;
    cin >> q;
    while(q--){
        ll x;
        cin >> x;
        int ans = 1;
        for(int i=2;(1LL<<i)<=x;++i){
            double d = pow(x, 1.0/i);
            auto p = pow_((ll)d, i);
            auto q = pow_((ll)d+1, i);
            assert(p<=x  && x<=q);
            if(p==x || q==x) ans = i;
        }
        cout << ans << '\n';
    }
    return 0;
}