2619945

素因数分解:

$3^4\times 5^1\times {\mathrm{6469}}^1$

素因数の和:6486

約数の個数: 20

約数和(自身を含む): 4697220

約数和(自身を除く): 2077275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6469, 19407, 32345, 58221, 97035, 174663, 291105, 523989, 873315, 2619945]

約数ペア:

[(1, 2619945), (3, 873315), (5, 523989), (9, 291105), (15, 174663), (27, 97035), (45, 58221), (81, 32345), (135, 19407), (405, 6469)]