418821759

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{139747}}^1$

素因数の和:139796

約数の個数: 20

約数和(自身を含む): 642561304

約数和(自身を除く): 223739545

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 139747, 419241, 1257723, 3773169, 5170639, 11319507, 15511917, 46535751, 139607253, 418821759]

約数ペア:

[(1, 418821759), (3, 139607253), (9, 46535751), (27, 15511917), (37, 11319507), (81, 5170639), (111, 3773169), (333, 1257723), (999, 419241), (2997, 139747)]