28171143

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 28438137

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 53, 59, 63, 77, 91, 99, 117, 143, 159, 177, 231, 273, 371, 413, 429, 477, 531, 583, 649, 689, 693, 767, 819, 1001, 1113, 1239, 1287, 1749, 1947, 2067, 2301, 3003, 3127, 3339, 3717, 4081, 4543, 4823, 5247, 5369, 5841, 6201, 6903, 7579, 8437, 9009, 9381, 12243, 13629, 14469, 16107, 21889, 22737, 25311, 28143, 34397, 36729, 40651, 40887, 43407, 48321, 53053, 59059, 65667, 68211, 75933, 103191, 121953, 159159, 177177, 197001, 240779, 284557, 309573, 365859, 447161, 477477, 531531, 722337, 853671, 1341483, 2167011, 2561013, 3130127, 4024449, 9390381, 28171143]

約数ペア:

[(1, 28171143), (3, 9390381), (7, 4024449), (9, 3130127), (11, 2561013), (13, 2167011), (21, 1341483), (33, 853671), (39, 722337), (53, 531531), (59, 477477), (63, 447161), (77, 365859), (91, 309573), (99, 284557), (117, 240779), (143, 197001), (159, 177177), (177, 159159), (231, 121953), (273, 103191), (371, 75933), (413, 68211), (429, 65667), (477, 59059), (531, 53053), (583, 48321), (649, 43407), (689, 40887), (693, 40651), (767, 36729), (819, 34397), (1001, 28143), (1113, 25311), (1239, 22737), (1287, 21889), (1749, 16107), (1947, 14469), (2067, 13629), (2301, 12243), (3003, 9381), (3127, 9009), (3339, 8437), (3717, 7579), (4081, 6903), (4543, 6201), (4823, 5841), (5247, 5369)]