638049105

素因数分解:

$3^2\times 5^1\times {\mathrm{14178869}}^1$

素因数の和:14178880

約数の個数: 12

約数和(自身を含む): 1105951860

約数和(自身を除く): 467902755

約数列:

[1, 3, 5, 9, 15, 45, 14178869, 42536607, 70894345, 127609821, 212683035, 638049105]

約数ペア:

[(1, 638049105), (3, 212683035), (5, 127609821), (9, 70894345), (15, 42536607), (45, 14178869)]