389719107

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{209189}}^1$

素因数の和:209224

約数の個数: 20

約数和(自身を含む): 607487760

約数和(自身を除く): 217768653

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 209189, 627567, 1882701, 4811347, 5648103, 14434041, 16944309, 43302123, 129906369, 389719107]

約数ペア:

[(1, 389719107), (3, 129906369), (9, 43302123), (23, 16944309), (27, 14434041), (69, 5648103), (81, 4811347), (207, 1882701), (621, 627567), (1863, 209189)]