291057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 443520

約数和(自身を除く): 152463

約数列:

[1, 3, 13, 17, 39, 51, 221, 439, 663, 1317, 5707, 7463, 17121, 22389, 97019, 291057]

約数ペア:

[(1, 291057), (3, 97019), (13, 22389), (17, 17121), (39, 7463), (51, 5707), (221, 1317), (439, 663)]