83990625

素因数分解:

$3^1\times 5^5\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 153490176

約数和(自身を除く): 69499551

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 125, 155, 255, 289, 375, 425, 465, 527, 625, 775, 867, 1275, 1445, 1581, 1875, 2125, 2325, 2635, 3125, 3875, 4335, 6375, 7225, 7905, 8959, 9375, 10625, 11625, 13175, 19375, 21675, 26877, 31875, 36125, 39525, 44795, 53125, 58125, 65875, 96875, 108375, 134385, 159375, 180625, 197625, 223975, 290625, 329375, 541875, 671925, 903125, 988125, 1119875, 1646875, 2709375, 3359625, 4940625, 5599375, 16798125, 27996875, 83990625]

約数ペア:

[(1, 83990625), (3, 27996875), (5, 16798125), (15, 5599375), (17, 4940625), (25, 3359625), (31, 2709375), (51, 1646875), (75, 1119875), (85, 988125), (93, 903125), (125, 671925), (155, 541875), (255, 329375), (289, 290625), (375, 223975), (425, 197625), (465, 180625), (527, 159375), (625, 134385), (775, 108375), (867, 96875), (1275, 65875), (1445, 58125), (1581, 53125), (1875, 44795), (2125, 39525), (2325, 36125), (2635, 31875), (3125, 26877), (3875, 21675), (4335, 19375), (6375, 13175), (7225, 11625), (7905, 10625), (8959, 9375)]