64814025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 112675328

約数和(自身を除く): 47861303

約数列:

[1, 3, 5, 15, 25, 31, 61, 75, 93, 155, 183, 305, 457, 465, 775, 915, 1371, 1525, 1891, 2285, 2325, 4575, 5673, 6855, 9455, 11425, 14167, 27877, 28365, 34275, 42501, 47275, 70835, 83631, 139385, 141825, 212505, 354175, 418155, 696925, 864187, 1062525, 2090775, 2592561, 4320935, 12962805, 21604675, 64814025]

約数ペア:

[(1, 64814025), (3, 21604675), (5, 12962805), (15, 4320935), (25, 2592561), (31, 2090775), (61, 1062525), (75, 864187), (93, 696925), (155, 418155), (183, 354175), (305, 212505), (457, 141825), (465, 139385), (775, 83631), (915, 70835), (1371, 47275), (1525, 42501), (1891, 34275), (2285, 28365), (2325, 27877), (4575, 14167), (5673, 11425), (6855, 9455)]