51718121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13217}}^1$

素因数の和:13280

約数の個数: 16

約数和(自身を含む): 65138304

約数和(自身を除く): 13420183

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 13217, 92519, 171821, 568331, 1202747, 3978317, 7388303, 51718121]

約数ペア:

[(1, 51718121), (7, 7388303), (13, 3978317), (43, 1202747), (91, 568331), (301, 171821), (559, 92519), (3913, 13217)]