61810125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 114616320

約数和(自身を除く): 52806195

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 125, 155, 195, 325, 375, 403, 409, 465, 775, 975, 1209, 1227, 1625, 2015, 2045, 2325, 3875, 4875, 5317, 6045, 6135, 10075, 10225, 11625, 12679, 15951, 26585, 30225, 30675, 38037, 50375, 51125, 63395, 79755, 132925, 151125, 153375, 164827, 190185, 316975, 398775, 494481, 664625, 824135, 950925, 1584875, 1993875, 2472405, 4120675, 4754625, 12362025, 20603375, 61810125]

約数ペア:

[(1, 61810125), (3, 20603375), (5, 12362025), (13, 4754625), (15, 4120675), (25, 2472405), (31, 1993875), (39, 1584875), (65, 950925), (75, 824135), (93, 664625), (125, 494481), (155, 398775), (195, 316975), (325, 190185), (375, 164827), (403, 153375), (409, 151125), (465, 132925), (775, 79755), (975, 63395), (1209, 51125), (1227, 50375), (1625, 38037), (2015, 30675), (2045, 30225), (2325, 26585), (3875, 15951), (4875, 12679), (5317, 11625), (6045, 10225), (6135, 10075)]