85678575

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 149799936

約数和(自身を除く): 64121361

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 645, 775, 857, 1075, 1333, 2325, 2571, 3225, 3999, 4285, 6665, 12855, 19995, 21425, 26567, 33325, 36851, 64275, 79701, 99975, 110553, 132835, 184255, 398505, 552765, 664175, 921275, 1142381, 1992525, 2763825, 3427143, 5711905, 17135715, 28559525, 85678575]

約数ペア:

[(1, 85678575), (3, 28559525), (5, 17135715), (15, 5711905), (25, 3427143), (31, 2763825), (43, 1992525), (75, 1142381), (93, 921275), (129, 664175), (155, 552765), (215, 398505), (465, 184255), (645, 132835), (775, 110553), (857, 99975), (1075, 79701), (1333, 64275), (2325, 36851), (2571, 33325), (3225, 26567), (3999, 21425), (4285, 19995), (6665, 12855)]