use std::io::Write;

use proconio::input;

fn main() {
    input! {
        q: usize,
        queries: [usize; q],
    }

    let mut writer = std::io::BufWriter::new(std::io::stdout().lock());
    for n in queries {
        let ans = solve(n);
        writeln!(writer, "{ans}").unwrap();
    }
}

fn solve(n: usize) -> usize {
    for k in (2..=40).rev() {
        let mut lo = 1;
        let mut hi = n;

        while hi - lo > 1 {
            let mid = (lo + hi) / 2;
            if mid.saturating_pow(k) <= n {
                lo = mid;
            } else {
                hi = mid;
            }
        }

        if lo.saturating_pow(k) == n {
            return k as usize;
        }
    }

    1
}