81785207

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2897}}^1$

素因数の和:3050

約数の個数: 16

約数和(自身を含む): 96909120

約数和(自身を除く): 15123913

約数列:

[1, 7, 37, 109, 259, 763, 2897, 4033, 20279, 28231, 107189, 315773, 750323, 2210411, 11683601, 81785207]

約数ペア:

[(1, 81785207), (7, 11683601), (37, 2210411), (109, 750323), (259, 315773), (763, 107189), (2897, 28231), (4033, 20279)]