71319375

素因数分解:

$3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 60

約数和(自身を含む): 133207360

約数和(自身を除く): 61887985

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 125, 155, 225, 279, 375, 409, 465, 625, 775, 1125, 1227, 1395, 1875, 2045, 2325, 3681, 3875, 5625, 6135, 6975, 10225, 11625, 12679, 18405, 19375, 30675, 34875, 38037, 51125, 58125, 63395, 92025, 114111, 153375, 174375, 190185, 255625, 316975, 460125, 570555, 766875, 950925, 1584875, 2300625, 2852775, 4754625, 7924375, 14263875, 23773125, 71319375]

約数ペア:

[(1, 71319375), (3, 23773125), (5, 14263875), (9, 7924375), (15, 4754625), (25, 2852775), (31, 2300625), (45, 1584875), (75, 950925), (93, 766875), (125, 570555), (155, 460125), (225, 316975), (279, 255625), (375, 190185), (409, 174375), (465, 153375), (625, 114111), (775, 92025), (1125, 63395), (1227, 58125), (1395, 51125), (1875, 38037), (2045, 34875), (2325, 30675), (3681, 19375), (3875, 18405), (5625, 12679), (6135, 11625), (6975, 10225)]