81028801

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{27109}}^1$

素因数の和:27184

約数の個数: 12

約数和(自身を含む): 95806740

約数和(自身を除く): 14777939

約数列:

[1, 7, 49, 61, 427, 2989, 27109, 189763, 1328341, 1653649, 11575543, 81028801]

約数ペア:

[(1, 81028801), (7, 11575543), (49, 1653649), (61, 1328341), (427, 189763), (2989, 27109)]