205216011

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2574

約数の個数: 80

約数和(自身を含む): 411763968

約数和(自身を除く): 206547957

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 567, 693, 819, 891, 1001, 1053, 1287, 2079, 2457, 2531, 3003, 3861, 6237, 7371, 7593, 9009, 11583, 17717, 22779, 27027, 27841, 32903, 53151, 68337, 81081, 83523, 98709, 159453, 194887, 205011, 230321, 250569, 296127, 361933, 478359, 584661, 690963, 751707, 888381, 1085799, 1435077, 1753983, 2072889, 2255121, 2533531, 2665143, 3257397, 5261949, 6218667, 7600593, 9772191, 15785847, 18656001, 22801779, 29316573, 68405337, 205216011]

約数ペア:

[(1, 205216011), (3, 68405337), (7, 29316573), (9, 22801779), (11, 18656001), (13, 15785847), (21, 9772191), (27, 7600593), (33, 6218667), (39, 5261949), (63, 3257397), (77, 2665143), (81, 2533531), (91, 2255121), (99, 2072889), (117, 1753983), (143, 1435077), (189, 1085799), (231, 888381), (273, 751707), (297, 690963), (351, 584661), (429, 478359), (567, 361933), (693, 296127), (819, 250569), (891, 230321), (1001, 205011), (1053, 194887), (1287, 159453), (2079, 98709), (2457, 83523), (2531, 81081), (3003, 68337), (3861, 53151), (6237, 32903), (7371, 27841), (7593, 27027), (9009, 22779), (11583, 17717)]