18310125

素因数分解:

$3^1\times 5^3\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 30760704

約数和(自身を除く): 12450579

約数列:

[1, 3, 5, 15, 25, 75, 125, 157, 311, 375, 471, 785, 933, 1555, 2355, 3925, 4665, 7775, 11775, 19625, 23325, 38875, 48827, 58875, 116625, 146481, 244135, 732405, 1220675, 3662025, 6103375, 18310125]

約数ペア:

[(1, 18310125), (3, 6103375), (5, 3662025), (15, 1220675), (25, 732405), (75, 244135), (125, 146481), (157, 116625), (311, 58875), (375, 48827), (471, 38875), (785, 23325), (933, 19625), (1555, 11775), (2355, 7775), (3925, 4665)]