389615715

素因数分解:

$3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{13259}}^1$

素因数の和:13923

約数の個数: 24

約数和(自身を含む): 676419120

約数和(自身を除く): 286803405

約数列:

[1, 3, 5, 9, 15, 45, 653, 1959, 3265, 5877, 9795, 13259, 29385, 39777, 66295, 119331, 198885, 596655, 8658127, 25974381, 43290635, 77923143, 129871905, 389615715]

約数ペア:

[(1, 389615715), (3, 129871905), (5, 77923143), (9, 43290635), (15, 25974381), (45, 8658127), (653, 596655), (1959, 198885), (3265, 119331), (5877, 66295), (9795, 39777), (13259, 29385)]