253373463

素因数分解:

$3^2\times 7^2\times {\mathrm{574543}}^1$

素因数の和:574563

約数の個数: 18

約数和(自身を含む): 425737104

約数和(自身を除く): 172363641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 574543, 1723629, 4021801, 5170887, 12065403, 28152607, 36196209, 84457821, 253373463]

約数ペア:

[(1, 253373463), (3, 84457821), (7, 36196209), (9, 28152607), (21, 12065403), (49, 5170887), (63, 4021801), (147, 1723629), (441, 574543)]