51815491

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{81343}}^1$

素因数の和:81370

約数の個数: 12

約数和(自身を含む): 64912512

約数和(自身を除く): 13097021

約数列:

[1, 7, 13, 49, 91, 637, 81343, 569401, 1057459, 3985807, 7402213, 51815491]

約数ペア:

[(1, 51815491), (7, 7402213), (13, 3985807), (49, 1057459), (91, 569401), (637, 81343)]