2615625

素因数分解:

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

素因数の和:65

約数の個数: 48

約数和(自身を含む): 4999680

約数和(自身を除く): 2384055

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 125, 135, 155, 225, 279, 375, 465, 625, 675, 775, 837, 1125, 1395, 1875, 2325, 3125, 3375, 3875, 4185, 5625, 6975, 9375, 11625, 16875, 19375, 20925, 28125, 34875, 58125, 84375, 96875, 104625, 174375, 290625, 523125, 871875, 2615625]

約数ペア:

[(1, 2615625), (3, 871875), (5, 523125), (9, 290625), (15, 174375), (25, 104625), (27, 96875), (31, 84375), (45, 58125), (75, 34875), (93, 28125), (125, 20925), (135, 19375), (155, 16875), (225, 11625), (279, 9375), (375, 6975), (465, 5625), (625, 4185), (675, 3875), (775, 3375), (837, 3125), (1125, 2325), (1395, 1875)]