31254765

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 52310016

約数和(自身を除く): 21055251

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 1031, 2021, 3093, 5155, 6063, 10105, 15465, 30315, 44333, 48457, 132999, 145371, 221665, 242285, 664995, 726855, 2083651, 6250953, 10418255, 31254765]

約数ペア:

[(1, 31254765), (3, 10418255), (5, 6250953), (15, 2083651), (43, 726855), (47, 664995), (129, 242285), (141, 221665), (215, 145371), (235, 132999), (645, 48457), (705, 44333), (1031, 30315), (2021, 15465), (3093, 10105), (5155, 6063)]