12939741

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 20317440

約数和(自身を除く): 7377699

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 2441, 5301, 7323, 21969, 46379, 75671, 139137, 227013, 417411, 681039, 1437749, 4313247, 12939741]

約数ペア:

[(1, 12939741), (3, 4313247), (9, 1437749), (19, 681039), (31, 417411), (57, 227013), (93, 139137), (171, 75671), (279, 46379), (589, 21969), (1767, 7323), (2441, 5301)]