180840009

素因数分解:

$3^1\times 7^1\times {\mathrm{1657}}^1\times {\mathrm{5197}}^1$

素因数の和:6864

約数の個数: 16

約数和(自身を含む): 275785088

約数和(自身を除く): 94945079

約数列:

[1, 3, 7, 21, 1657, 4971, 5197, 11599, 15591, 34797, 36379, 109137, 8611429, 25834287, 60280003, 180840009]

約数ペア:

[(1, 180840009), (3, 60280003), (7, 25834287), (21, 8611429), (1657, 109137), (4971, 36379), (5197, 34797), (11599, 15591)]