15309189

素因数分解:

$3^3\times 7^1\times {\mathrm{81001}}^1$

素因数の和:81017

約数の個数: 16

約数和(自身を含む): 25920640

約数和(自身を除く): 10611451

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 81001, 243003, 567007, 729009, 1701021, 2187027, 5103063, 15309189]

約数ペア:

[(1, 15309189), (3, 5103063), (7, 2187027), (9, 1701021), (21, 729009), (27, 567007), (63, 243003), (189, 81001)]