12868875

素因数分解:

$3^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 80

約数和(自身を含む): 25369344

約数和(自身を除く): 12500469

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 41, 45, 75, 81, 93, 123, 125, 135, 155, 205, 225, 279, 369, 375, 405, 465, 615, 675, 775, 837, 1025, 1107, 1125, 1271, 1395, 1845, 2025, 2325, 2511, 3075, 3321, 3375, 3813, 3875, 4185, 5125, 5535, 6355, 6975, 9225, 10125, 11439, 11625, 12555, 15375, 16605, 19065, 20925, 27675, 31775, 34317, 34875, 46125, 57195, 62775, 83025, 95325, 102951, 104625, 138375, 158875, 171585, 285975, 313875, 415125, 476625, 514755, 857925, 1429875, 2573775, 4289625, 12868875]

約数ペア:

[(1, 12868875), (3, 4289625), (5, 2573775), (9, 1429875), (15, 857925), (25, 514755), (27, 476625), (31, 415125), (41, 313875), (45, 285975), (75, 171585), (81, 158875), (93, 138375), (123, 104625), (125, 102951), (135, 95325), (155, 83025), (205, 62775), (225, 57195), (279, 46125), (369, 34875), (375, 34317), (405, 31775), (465, 27675), (615, 20925), (675, 19065), (775, 16605), (837, 15375), (1025, 12555), (1107, 11625), (1125, 11439), (1271, 10125), (1395, 9225), (1845, 6975), (2025, 6355), (2325, 5535), (2511, 5125), (3075, 4185), (3321, 3875), (3375, 3813)]