674744985

素因数分解:

$3^4\times 5^1\times {\mathrm{1666037}}^1$

素因数の和:1666054

約数の個数: 20

約数和(自身を含む): 1209543588

約数和(自身を除く): 534798603

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1666037, 4998111, 8330185, 14994333, 24990555, 44982999, 74971665, 134948997, 224914995, 674744985]

約数ペア:

[(1, 674744985), (3, 224914995), (5, 134948997), (9, 74971665), (15, 44982999), (27, 24990555), (45, 14994333), (81, 8330185), (135, 4998111), (405, 1666037)]