905087169

素因数分解:

$3^3\times 7^1\times {\mathrm{4788821}}^1$

素因数の和:4788837

約数の個数: 16

約数和(自身を含む): 1532423040

約数和(自身を除く): 627335871

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4788821, 14366463, 33521747, 43099389, 100565241, 129298167, 301695723, 905087169]

約数ペア:

[(1, 905087169), (3, 301695723), (7, 129298167), (9, 100565241), (21, 43099389), (27, 33521747), (63, 14366463), (189, 4788821)]