208048389

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{7027}}^1$

素因数の和:7240

約数の個数: 16

約数和(自身を含む): 283368960

約数和(自身を除く): 75320571

約数列:

[1, 3, 71, 139, 213, 417, 7027, 9869, 21081, 29607, 498917, 976753, 1496751, 2930259, 69349463, 208048389]

約数ペア:

[(1, 208048389), (3, 69349463), (71, 2930259), (139, 1496751), (213, 976753), (417, 498917), (7027, 29607), (9869, 21081)]