15989679

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 23978240

約数和(自身を除く): 7988561

約数列:

[1, 3, 9, 43, 79, 129, 237, 387, 523, 711, 1569, 3397, 4707, 10191, 22489, 30573, 41317, 67467, 123951, 202401, 371853, 1776631, 5329893, 15989679]

約数ペア:

[(1, 15989679), (3, 5329893), (9, 1776631), (43, 371853), (79, 202401), (129, 123951), (237, 67467), (387, 41317), (523, 30573), (711, 22489), (1569, 10191), (3397, 4707)]