25979955

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 43490304

約数和(自身を除く): 17510349

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 857, 2021, 2571, 4285, 6063, 10105, 12855, 30315, 36851, 40279, 110553, 120837, 184255, 201395, 552765, 604185, 1731997, 5195991, 8659985, 25979955]

約数ペア:

[(1, 25979955), (3, 8659985), (5, 5195991), (15, 1731997), (43, 604185), (47, 552765), (129, 201395), (141, 184255), (215, 120837), (235, 110553), (645, 40279), (705, 36851), (857, 30315), (2021, 12855), (2571, 10105), (4285, 6063)]