64642491

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 95153760

約数和(自身を除く): 30511269

約数列:

[1, 3, 9, 103, 137, 309, 411, 509, 927, 1233, 1527, 4581, 14111, 42333, 52427, 69733, 126999, 157281, 209199, 471843, 627597, 7182499, 21547497, 64642491]

約数ペア:

[(1, 64642491), (3, 21547497), (9, 7182499), (103, 627597), (137, 471843), (309, 209199), (411, 157281), (509, 126999), (927, 69733), (1233, 52427), (1527, 42333), (4581, 14111)]