156960981

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{160001}}^1$

素因数の和:160116

約数の個数: 12

約数和(自身を含む): 228802860

約数和(自身を除く): 71841879

約数列:

[1, 3, 9, 109, 327, 981, 160001, 480003, 1440009, 17440109, 52320327, 156960981]

約数ペア:

[(1, 156960981), (3, 52320327), (9, 17440109), (109, 1440009), (327, 480003), (981, 160001)]