278380521

素因数分解:

$3^2\times {\mathrm{3259}}^1\times {\mathrm{9491}}^1$

素因数の和:12756

約数の個数: 12

約数和(自身を含む): 402270960

約数和(自身を除く): 123890439

約数列:

[1, 3, 9, 3259, 9491, 9777, 28473, 29331, 85419, 30931169, 92793507, 278380521]

約数ペア:

[(1, 278380521), (3, 92793507), (9, 30931169), (3259, 85419), (9491, 29331), (9777, 28473)]