665325

素因数分解:

$3^2\times 5^2\times {\mathrm{2957}}^1$

素因数の和:2973

約数の個数: 18

約数和(自身を含む): 1192074

約数和(自身を除く): 526749

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2957, 8871, 14785, 26613, 44355, 73925, 133065, 221775, 665325]

約数ペア:

[(1, 665325), (3, 221775), (5, 133065), (9, 73925), (15, 44355), (25, 26613), (45, 14785), (75, 8871), (225, 2957)]