81266843

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{72109}}^1$

素因数の和:72146

約数の個数: 12

約数和(自身を含む): 98646480

約数和(自身を除く): 17379637

約数列:

[1, 7, 23, 49, 161, 1127, 72109, 504763, 1658507, 3533341, 11609549, 81266843]

約数ペア:

[(1, 81266843), (7, 11609549), (23, 3533341), (49, 1658507), (161, 504763), (1127, 72109)]