54239985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28031}}^1$

素因数の和:28085

約数の個数: 24

約数和(自身を含む): 96205824

約数和(自身を除く): 41965839

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 28031, 84093, 140155, 252279, 420465, 1205333, 1261395, 3615999, 6026665, 10847997, 18079995, 54239985]

約数ペア:

[(1, 54239985), (3, 18079995), (5, 10847997), (9, 6026665), (15, 3615999), (43, 1261395), (45, 1205333), (129, 420465), (215, 252279), (387, 140155), (645, 84093), (1935, 28031)]