2581665

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1579}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 4171200

約数和(自身を除く): 1589535

約数列:

[1, 3, 5, 15, 109, 327, 545, 1579, 1635, 4737, 7895, 23685, 172111, 516333, 860555, 2581665]

約数ペア:

[(1, 2581665), (3, 860555), (5, 516333), (15, 172111), (109, 23685), (327, 7895), (545, 4737), (1579, 1635)]