11990565

素因数分解:

$3^3\times 5^1\times {\mathrm{88819}}^1$

素因数の和:88833

約数の個数: 16

約数和(自身を含む): 21316800

約数和(自身を除く): 9326235

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 88819, 266457, 444095, 799371, 1332285, 2398113, 3996855, 11990565]

約数ペア:

[(1, 11990565), (3, 3996855), (5, 2398113), (9, 1332285), (15, 799371), (27, 444095), (45, 266457), (135, 88819)]