12111981

素因数分解:

$3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{857}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 18505344

約数和(自身を除く): 6393363

約数列:

[1, 3, 7, 21, 673, 857, 2019, 2571, 4711, 5999, 14133, 17997, 576761, 1730283, 4037327, 12111981]

約数ペア:

[(1, 12111981), (3, 4037327), (7, 1730283), (21, 576761), (673, 17997), (857, 14133), (2019, 5999), (2571, 4711)]