390636735

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{1871}}^1$

素因数の和:2359

約数の個数: 32

約数和(自身を含む): 646963200

約数和(自身を除く): 256326465

約数列:

[1, 3, 5, 15, 31, 93, 155, 449, 465, 1347, 1871, 2245, 5613, 6735, 9355, 13919, 28065, 41757, 58001, 69595, 174003, 208785, 290005, 840079, 870015, 2520237, 4200395, 12601185, 26042449, 78127347, 130212245, 390636735]

約数ペア:

[(1, 390636735), (3, 130212245), (5, 78127347), (15, 26042449), (31, 12601185), (93, 4200395), (155, 2520237), (449, 870015), (465, 840079), (1347, 290005), (1871, 208785), (2245, 174003), (5613, 69595), (6735, 58001), (9355, 41757), (13919, 28065)]