209715861

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{11443}}^1$

素因数の和:11636

約数の個数: 16

約数和(自身を含む): 288388800

約数和(自身を除く): 78672939

約数列:

[1, 3, 41, 123, 149, 447, 6109, 11443, 18327, 34329, 469163, 1407489, 1705007, 5115021, 69905287, 209715861]

約数ペア:

[(1, 209715861), (3, 69905287), (41, 5115021), (123, 1705007), (149, 1407489), (447, 469163), (6109, 34329), (11443, 18327)]