12909491

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:699

約数の個数: 16

約数和(自身を含む): 15326400

約数和(自身を除く): 2416909

約数列:

[1, 7, 49, 61, 343, 427, 617, 2989, 4319, 20923, 30233, 37637, 211631, 263459, 1844213, 12909491]

約数ペア:

[(1, 12909491), (7, 1844213), (49, 263459), (61, 211631), (343, 37637), (427, 30233), (617, 20923), (2989, 4319)]