72804951

素因数分解:

$3^2\times {\mathrm{137}}^2\times {\mathrm{431}}^1$

素因数の和:711

約数の個数: 18

約数和(自身を含む): 106181712

約数和(自身を除く): 33376761

約数列:

[1, 3, 9, 137, 411, 431, 1233, 1293, 3879, 18769, 56307, 59047, 168921, 177141, 531423, 8089439, 24268317, 72804951]

約数ペア:

[(1, 72804951), (3, 24268317), (9, 8089439), (137, 531423), (411, 177141), (431, 168921), (1233, 59047), (1293, 56307), (3879, 18769)]