2538945

素因数分解:

$3^4\times 5^1\times {\mathrm{6269}}^1$

素因数の和:6286

約数の個数: 20

約数和(自身を含む): 4552020

約数和(自身を除く): 2013075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6269, 18807, 31345, 56421, 94035, 169263, 282105, 507789, 846315, 2538945]

約数ペア:

[(1, 2538945), (3, 846315), (5, 507789), (9, 282105), (15, 169263), (27, 94035), (45, 56421), (81, 31345), (135, 18807), (405, 6269)]