51386571

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 76605984

約数和(自身を除く): 25219413

約数列:

[1, 3, 9, 41, 123, 157, 369, 471, 887, 1413, 2661, 6437, 7983, 19311, 36367, 57933, 109101, 139259, 327303, 417777, 1253331, 5709619, 17128857, 51386571]

約数ペア:

[(1, 51386571), (3, 17128857), (9, 5709619), (41, 1253331), (123, 417777), (157, 327303), (369, 139259), (471, 109101), (887, 57933), (1413, 36367), (2661, 19311), (6437, 7983)]