745582239

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{66221}}^1$

素因数の和:66372

約数の個数: 20

約数和(自身を含む): 1121800680

約数和(自身を除く): 376218441

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 66221, 198663, 595989, 1787967, 5363901, 9204719, 27614157, 82842471, 248527413, 745582239]

約数ペア:

[(1, 745582239), (3, 248527413), (9, 82842471), (27, 27614157), (81, 9204719), (139, 5363901), (417, 1787967), (1251, 595989), (3753, 198663), (11259, 66221)]