2015691885

素因数分解:

$3^4\times 5^1\times {\mathrm{4977017}}^1$

素因数の和:4977034

約数の個数: 20

約数和(自身を含む): 3613315068

約数和(自身を除く): 1597623183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4977017, 14931051, 24885085, 44793153, 74655255, 134379459, 223965765, 403138377, 671897295, 2015691885]

約数ペア:

[(1, 2015691885), (3, 671897295), (5, 403138377), (9, 223965765), (15, 134379459), (27, 74655255), (45, 44793153), (81, 24885085), (135, 14931051), (405, 4977017)]