1981818243

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{3101437}}^1$

素因数の和:3101514

約数の個数: 12

約数和(自身を含む): 2902945968

約数和(自身を除く): 921127725

約数列:

[1, 3, 9, 71, 213, 639, 3101437, 9304311, 27912933, 220202027, 660606081, 1981818243]

約数ペア:

[(1, 1981818243), (3, 660606081), (9, 220202027), (71, 27912933), (213, 9304311), (639, 3101437)]