206561817

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2347}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 375078912

約数和(自身を除く): 168517095

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 127, 231, 381, 693, 889, 1143, 1397, 2347, 2667, 4191, 7041, 8001, 9779, 12573, 16429, 21123, 25817, 29337, 49287, 77451, 88011, 147861, 180719, 232353, 298069, 542157, 894207, 1626471, 2086483, 2682621, 3278759, 6259449, 9836277, 18778347, 22951313, 29508831, 68853939, 206561817]

約数ペア:

[(1, 206561817), (3, 68853939), (7, 29508831), (9, 22951313), (11, 18778347), (21, 9836277), (33, 6259449), (63, 3278759), (77, 2682621), (99, 2086483), (127, 1626471), (231, 894207), (381, 542157), (693, 298069), (889, 232353), (1143, 180719), (1397, 147861), (2347, 88011), (2667, 77451), (4191, 49287), (7041, 29337), (8001, 25817), (9779, 21123), (12573, 16429)]