5131287

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 8586240

約数和(自身を除く): 3454953

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1031, 1659, 3093, 4977, 7217, 9279, 21651, 64953, 81449, 244347, 570143, 733041, 1710429, 5131287]

約数ペア:

[(1, 5131287), (3, 1710429), (7, 733041), (9, 570143), (21, 244347), (63, 81449), (79, 64953), (237, 21651), (553, 9279), (711, 7217), (1031, 4977), (1659, 3093)]