201254221

素因数分解:

$7^4\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:906

約数の個数: 20

約数和(自身を含む): 237244700

約数和(自身を除く): 35990479

約数列:

[1, 7, 49, 109, 343, 763, 769, 2401, 5341, 5383, 37387, 37681, 83821, 261709, 263767, 586747, 1846369, 4107229, 28750603, 201254221]

約数ペア:

[(1, 201254221), (7, 28750603), (49, 4107229), (109, 1846369), (343, 586747), (763, 263767), (769, 261709), (2401, 83821), (5341, 37681), (5383, 37387)]