12744945

素因数分解:

$3^4\times 5^1\times {\mathrm{31469}}^1$

素因数の和:31486

約数の個数: 20

約数和(自身を含む): 22847220

約数和(自身を除く): 10102275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31469, 94407, 157345, 283221, 472035, 849663, 1416105, 2548989, 4248315, 12744945]

約数ペア:

[(1, 12744945), (3, 4248315), (5, 2548989), (9, 1416105), (15, 849663), (27, 472035), (45, 283221), (81, 157345), (135, 94407), (405, 31469)]