28018851

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{16889}}^1$

素因数の和:16978

約数の個数: 16

約数和(自身を含む): 43238400

約数和(自身を除く): 15219549

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 16889, 50667, 118223, 354669, 1334231, 4002693, 9339617, 28018851]

約数ペア:

[(1, 28018851), (3, 9339617), (7, 4002693), (21, 1334231), (79, 354669), (237, 118223), (553, 50667), (1659, 16889)]