8639127

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 14345760

約数和(自身を除く): 5706633

約数列:

[1, 3, 7, 9, 21, 63, 241, 569, 723, 1687, 1707, 2169, 3983, 5061, 5121, 11949, 15183, 35847, 137129, 411387, 959903, 1234161, 2879709, 8639127]

約数ペア:

[(1, 8639127), (3, 2879709), (7, 1234161), (9, 959903), (21, 411387), (63, 137129), (241, 35847), (569, 15183), (723, 11949), (1687, 5121), (1707, 5061), (2169, 3983)]