3778125

素因数分解:

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

素因数の和:72

約数の個数: 48

約数和(自身を含む): 6999552

約数和(自身を除く): 3221427

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 125, 155, 195, 325, 375, 403, 465, 625, 775, 975, 1209, 1625, 1875, 2015, 2325, 3125, 3875, 4875, 6045, 8125, 9375, 10075, 11625, 19375, 24375, 30225, 40625, 50375, 58125, 96875, 121875, 151125, 251875, 290625, 755625, 1259375, 3778125]

約数ペア:

[(1, 3778125), (3, 1259375), (5, 755625), (13, 290625), (15, 251875), (25, 151125), (31, 121875), (39, 96875), (65, 58125), (75, 50375), (93, 40625), (125, 30225), (155, 24375), (195, 19375), (325, 11625), (375, 10075), (403, 9375), (465, 8125), (625, 6045), (775, 4875), (975, 3875), (1209, 3125), (1625, 2325), (1875, 2015)]