56721399

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{44279}}^1$

素因数の和:44350

約数の個数: 16

約数和(自身を含む): 87851520

約数和(自身を除く): 31130121

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 44279, 132837, 309953, 929859, 2701019, 8103057, 18907133, 56721399]

約数ペア:

[(1, 56721399), (3, 18907133), (7, 8103057), (21, 2701019), (61, 929859), (183, 309953), (427, 132837), (1281, 44279)]