2878233

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 3974400

約数和(自身を除く): 1096167

約数列:

[1, 3, 47, 137, 141, 149, 411, 447, 6439, 7003, 19317, 20413, 21009, 61239, 959411, 2878233]

約数ペア:

[(1, 2878233), (3, 959411), (47, 61239), (137, 21009), (141, 20413), (149, 19317), (411, 7003), (447, 6439)]