12807945

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1181}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 22311432

約数和(自身を除く): 9503487

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1181, 1205, 2169, 3543, 3615, 5905, 10629, 10845, 17715, 53145, 284621, 853863, 1423105, 2561589, 4269315, 12807945]

約数ペア:

[(1, 12807945), (3, 4269315), (5, 2561589), (9, 1423105), (15, 853863), (45, 284621), (241, 53145), (723, 17715), (1181, 10845), (1205, 10629), (2169, 5905), (3543, 3615)]