1212933211

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{405799}}^1$

素因数の和:405874

約数の個数: 12

約数和(自身を含む): 1434097200

約数和(自身を除く): 221163989

約数列:

[1, 7, 49, 61, 427, 2989, 405799, 2840593, 19884151, 24753739, 173276173, 1212933211]

約数ペア:

[(1, 1212933211), (7, 173276173), (49, 24753739), (61, 19884151), (427, 2840593), (2989, 405799)]