18076875

素因数分解:

$3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:365

約数の個数: 40

約数和(自身を含む): 31190016

約数和(自身を除く): 13113141

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 311, 375, 465, 625, 775, 933, 1555, 1875, 2325, 3875, 4665, 7775, 9641, 11625, 19375, 23325, 28923, 38875, 48205, 58125, 116625, 144615, 194375, 241025, 583125, 723075, 1205125, 3615375, 6025625, 18076875]

約数ペア:

[(1, 18076875), (3, 6025625), (5, 3615375), (15, 1205125), (25, 723075), (31, 583125), (75, 241025), (93, 194375), (125, 144615), (155, 116625), (311, 58125), (375, 48205), (465, 38875), (625, 28923), (775, 23325), (933, 19375), (1555, 11625), (1875, 9641), (2325, 7775), (3875, 4665)]