1994985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 3541824

約数和(自身を除く): 1546839

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1031, 1935, 3093, 5155, 9279, 15465, 44333, 46395, 132999, 221665, 398997, 664995, 1994985]

約数ペア:

[(1, 1994985), (3, 664995), (5, 398997), (9, 221665), (15, 132999), (43, 46395), (45, 44333), (129, 15465), (215, 9279), (387, 5155), (645, 3093), (1031, 1935)]