9009721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 10865664

約数和(自身を除く): 1855943

約数列:

[1, 7, 23, 107, 161, 523, 749, 2461, 3661, 12029, 17227, 55961, 84203, 391727, 1287103, 9009721]

約数ペア:

[(1, 9009721), (7, 1287103), (23, 391727), (107, 84203), (161, 55961), (523, 17227), (749, 12029), (2461, 3661)]