165722121

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{123581}}^1$

素因数の和:123736

約数の個数: 12

約数和(自身を含む): 240984900

約数和(自身を除く): 75262779

約数列:

[1, 3, 9, 149, 447, 1341, 123581, 370743, 1112229, 18413569, 55240707, 165722121]

約数ペア:

[(1, 165722121), (3, 55240707), (9, 18413569), (149, 1112229), (447, 370743), (1341, 123581)]