90575025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 156180480

約数和(自身を除く): 65605455

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 163, 239, 465, 489, 717, 775, 815, 1195, 2325, 2445, 3585, 4075, 5053, 5975, 7409, 12225, 15159, 17925, 22227, 25265, 37045, 38957, 75795, 111135, 116871, 126325, 185225, 194785, 378975, 555675, 584355, 973925, 1207667, 2921775, 3623001, 6038335, 18115005, 30191675, 90575025]

約数ペア:

[(1, 90575025), (3, 30191675), (5, 18115005), (15, 6038335), (25, 3623001), (31, 2921775), (75, 1207667), (93, 973925), (155, 584355), (163, 555675), (239, 378975), (465, 194785), (489, 185225), (717, 126325), (775, 116871), (815, 111135), (1195, 75795), (2325, 38957), (2445, 37045), (3585, 25265), (4075, 22227), (5053, 17925), (5975, 15159), (7409, 12225)]