8165205

素因数分解:

$3^4\times 5^1\times {\mathrm{20161}}^1$

素因数の和:20178

約数の個数: 20

約数和(自身を含む): 14637612

約数和(自身を除く): 6472407

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 20161, 60483, 100805, 181449, 302415, 544347, 907245, 1633041, 2721735, 8165205]

約数ペア:

[(1, 8165205), (3, 2721735), (5, 1633041), (9, 907245), (15, 544347), (27, 302415), (45, 181449), (81, 100805), (135, 60483), (405, 20161)]