990389745

素因数分解:

$3^2\times 5^1\times {\mathrm{22008661}}^1$

素因数の和:22008672

約数の個数: 12

約数和(自身を含む): 1716675636

約数和(自身を除く): 726285891

約数列:

[1, 3, 5, 9, 15, 45, 22008661, 66025983, 110043305, 198077949, 330129915, 990389745]

約数ペア:

[(1, 990389745), (3, 330129915), (5, 198077949), (9, 110043305), (15, 66025983), (45, 22008661)]