858709323

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{242779}}^1$

素因数の和:242919

約数の個数: 16

約数和(自身を含む): 1281878400

約数和(自身を除く): 423169077

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 242779, 728337, 2185011, 6555033, 31804049, 95412147, 286236441, 858709323]

約数ペア:

[(1, 858709323), (3, 286236441), (9, 95412147), (27, 31804049), (131, 6555033), (393, 2185011), (1179, 728337), (3537, 242779)]