28300923

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 49494016

約数和(自身を除く): 21193093

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 279, 301, 337, 387, 651, 903, 1011, 1333, 1953, 2359, 2709, 3033, 3999, 7077, 9331, 10447, 11997, 14491, 21231, 27993, 31341, 43473, 73129, 83979, 94023, 101437, 130419, 219387, 304311, 449221, 658161, 912933, 1347663, 3144547, 4042989, 9433641, 28300923]

約数ペア:

[(1, 28300923), (3, 9433641), (7, 4042989), (9, 3144547), (21, 1347663), (31, 912933), (43, 658161), (63, 449221), (93, 304311), (129, 219387), (217, 130419), (279, 101437), (301, 94023), (337, 83979), (387, 73129), (651, 43473), (903, 31341), (1011, 27993), (1333, 21231), (1953, 14491), (2359, 11997), (2709, 10447), (3033, 9331), (3999, 7077)]