15821127

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2347}}^1$

素因数の和:2467

約数の個数: 24

約数和(自身を含む): 26372736

約数和(自身を除く): 10551609

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2347, 6741, 7041, 16429, 21123, 49287, 147861, 251129, 753387, 1757903, 2260161, 5273709, 15821127]

約数ペア:

[(1, 15821127), (3, 5273709), (7, 2260161), (9, 1757903), (21, 753387), (63, 251129), (107, 147861), (321, 49287), (749, 21123), (963, 16429), (2247, 7041), (2347, 6741)]