217141561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{140363}}^1$

素因数の和:140400

約数の個数: 16

約数和(自身を含む): 282973824

約数和(自身を除く): 65832263

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 140363, 982541, 1824719, 2386171, 12773033, 16703197, 31020223, 217141561]

約数ペア:

[(1, 217141561), (7, 31020223), (13, 16703197), (17, 12773033), (91, 2386171), (119, 1824719), (221, 982541), (1547, 140363)]