165717621

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{259339}}^1$

素因数の和:259416

約数の個数: 12

約数和(自身を含む): 242742240

約数和(自身を除く): 77024619

約数列:

[1, 3, 9, 71, 213, 639, 259339, 778017, 2334051, 18413069, 55239207, 165717621]

約数ペア:

[(1, 165717621), (3, 55239207), (9, 18413069), (71, 2334051), (213, 778017), (639, 259339)]