81207049

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1847}}^1$

素因数の和:2436

約数の個数: 16

約数和(自身を含む): 101477376

約数和(自身を除く): 20270327

約数列:

[1, 7, 11, 77, 571, 1847, 3997, 6281, 12929, 20317, 43967, 142219, 1054637, 7382459, 11601007, 81207049]

約数ペア:

[(1, 81207049), (7, 11601007), (11, 7382459), (77, 1054637), (571, 142219), (1847, 43967), (3997, 20317), (6281, 12929)]