68715375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 123641856

約数和(自身を除く): 54926481

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 125, 155, 257, 345, 375, 465, 575, 713, 771, 775, 1285, 1725, 2139, 2325, 2875, 3565, 3855, 3875, 5911, 6425, 7967, 8625, 10695, 11625, 17733, 17825, 19275, 23901, 29555, 32125, 39835, 53475, 88665, 89125, 96375, 119505, 147775, 183241, 199175, 267375, 443325, 549723, 597525, 738875, 916205, 995875, 2216625, 2748615, 2987625, 4581025, 13743075, 22905125, 68715375]

約数ペア:

[(1, 68715375), (3, 22905125), (5, 13743075), (15, 4581025), (23, 2987625), (25, 2748615), (31, 2216625), (69, 995875), (75, 916205), (93, 738875), (115, 597525), (125, 549723), (155, 443325), (257, 267375), (345, 199175), (375, 183241), (465, 147775), (575, 119505), (713, 96375), (771, 89125), (775, 88665), (1285, 53475), (1725, 39835), (2139, 32125), (2325, 29555), (2875, 23901), (3565, 19275), (3855, 17825), (3875, 17733), (5911, 11625), (6425, 10695), (7967, 8625)]