921115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 1225728

約数和(自身を除く): 304613

約数列:

[1, 5, 13, 37, 65, 185, 383, 481, 1915, 2405, 4979, 14171, 24895, 70855, 184223, 921115]

約数ペア:

[(1, 921115), (5, 184223), (13, 70855), (37, 24895), (65, 14171), (185, 4979), (383, 2405), (481, 1915)]