7641945

素因数分解:

$3^4\times 5^1\times {\mathrm{18869}}^1$

素因数の和:18886

約数の個数: 20

約数和(自身を含む): 13699620

約数和(自身を除く): 6057675

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 18869, 56607, 94345, 169821, 283035, 509463, 849105, 1528389, 2547315, 7641945]

約数ペア:

[(1, 7641945), (3, 2547315), (5, 1528389), (9, 849105), (15, 509463), (27, 283035), (45, 169821), (81, 94345), (135, 56607), (405, 18869)]