12171999

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5417}}^1$

素因数の和:5534

約数の個数: 16

約数和(自身を含む): 18724608

約数和(自身を除く): 6552609

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 5417, 16251, 37919, 113757, 579619, 1738857, 4057333, 12171999]

約数ペア:

[(1, 12171999), (3, 4057333), (7, 1738857), (21, 579619), (107, 113757), (321, 37919), (749, 16251), (2247, 5417)]