211231657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{7561}}^1$

素因数の和:7888

約数の個数: 16

約数和(自身を含む): 260858752

約数和(自身を除く): 49627095

約数列:

[1, 7, 13, 91, 307, 2149, 3991, 7561, 27937, 52927, 98293, 688051, 2321227, 16248589, 30175951, 211231657]

約数ペア:

[(1, 211231657), (7, 30175951), (13, 16248589), (91, 2321227), (307, 688051), (2149, 98293), (3991, 52927), (7561, 27937)]