15128775

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:294

約数の個数: 60

約数和(自身を含む): 29047744

約数和(自身を除く): 13918969

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 241, 279, 405, 465, 675, 723, 775, 837, 1205, 1395, 2025, 2169, 2325, 2511, 3615, 4185, 6025, 6507, 6975, 7471, 10845, 12555, 18075, 19521, 20925, 22413, 32535, 37355, 54225, 62775, 67239, 97605, 112065, 162675, 186775, 201717, 336195, 488025, 560325, 605151, 1008585, 1680975, 3025755, 5042925, 15128775]

約数ペア:

[(1, 15128775), (3, 5042925), (5, 3025755), (9, 1680975), (15, 1008585), (25, 605151), (27, 560325), (31, 488025), (45, 336195), (75, 201717), (81, 186775), (93, 162675), (135, 112065), (155, 97605), (225, 67239), (241, 62775), (279, 54225), (405, 37355), (465, 32535), (675, 22413), (723, 20925), (775, 19521), (837, 18075), (1205, 12555), (1395, 10845), (2025, 7471), (2169, 6975), (2325, 6507), (2511, 6025), (3615, 4185)]