12457431

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2503}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 20833280

約数和(自身を除く): 8375849

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 2503, 4977, 7509, 17521, 22527, 52563, 157689, 197737, 593211, 1384159, 1779633, 4152477, 12457431]

約数ペア:

[(1, 12457431), (3, 4152477), (7, 1779633), (9, 1384159), (21, 593211), (63, 197737), (79, 157689), (237, 52563), (553, 22527), (711, 17521), (1659, 7509), (2503, 4977)]