668887491

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{72461}}^1$

素因数の和:72662

約数の個数: 16

約数和(自身を含む): 949542048

約数和(自身を除く): 280654557

約数列:

[1, 3, 17, 51, 181, 543, 3077, 9231, 72461, 217383, 1231837, 3695511, 13115441, 39346323, 222962497, 668887491]

約数ペア:

[(1, 668887491), (3, 222962497), (17, 39346323), (51, 13115441), (181, 3695511), (543, 1231837), (3077, 217383), (9231, 72461)]