81639901

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{3559}}^1$

素因数の和:3708

約数の個数: 16

約数和(自身を含む): 97401600

約数和(自身を除く): 15761699

約数列:

[1, 7, 29, 113, 203, 791, 3277, 3559, 22939, 24913, 103211, 402167, 722477, 2815169, 11662843, 81639901]

約数ペア:

[(1, 81639901), (7, 11662843), (29, 2815169), (113, 722477), (203, 402167), (791, 103211), (3277, 24913), (3559, 22939)]