2912581119

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{142543}}^1$

素因数の和:142699

約数の個数: 24

約数和(自身を含む): 4550004480

約数和(自身を除く): 1637423361

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 6811, 20433, 142543, 427629, 997801, 2993403, 6984607, 19813477, 20953821, 59440431, 138694339, 416083017, 970860373, 2912581119]

約数ペア:

[(1, 2912581119), (3, 970860373), (7, 416083017), (21, 138694339), (49, 59440431), (139, 20953821), (147, 19813477), (417, 6984607), (973, 2993403), (2919, 997801), (6811, 427629), (20433, 142543)]