12457521

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 19081920

約数和(自身を除く): 6624399

約数列:

[1, 3, 9, 19, 57, 171, 263, 277, 789, 831, 2367, 2493, 4997, 5263, 14991, 15789, 44973, 47367, 72851, 218553, 655659, 1384169, 4152507, 12457521]

約数ペア:

[(1, 12457521), (3, 4152507), (9, 1384169), (19, 655659), (57, 218553), (171, 72851), (263, 47367), (277, 44973), (789, 15789), (831, 14991), (2367, 5263), (2493, 4997)]