9915975

素因数分解:

$3^2\times 5^2\times {\mathrm{44071}}^1$

素因数の和:44087

約数の個数: 18

約数和(自身を含む): 17761016

約数和(自身を除く): 7845041

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 44071, 132213, 220355, 396639, 661065, 1101775, 1983195, 3305325, 9915975]

約数ペア:

[(1, 9915975), (3, 3305325), (5, 1983195), (9, 1101775), (15, 661065), (25, 396639), (45, 220355), (75, 132213), (225, 44071)]