66747681

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 134184960

約数和(自身を除く): 67437279

約数列:

[1, 3, 7, 9, 11, 13, 21, 31, 33, 39, 63, 77, 91, 93, 99, 117, 143, 217, 231, 239, 273, 279, 341, 403, 429, 651, 693, 717, 819, 1001, 1023, 1209, 1287, 1673, 1953, 2151, 2387, 2629, 2821, 3003, 3069, 3107, 3627, 4433, 5019, 7161, 7409, 7887, 8463, 9009, 9321, 13299, 15057, 18403, 21483, 21749, 22227, 23661, 25389, 27963, 31031, 34177, 39897, 51863, 55209, 65247, 66681, 81499, 93093, 96317, 102531, 155589, 165627, 195741, 239239, 244497, 279279, 288951, 307593, 466767, 570493, 674219, 717717, 733491, 866853, 1059487, 1711479, 2022657, 2153151, 3178461, 5134437, 6067971, 7416409, 9535383, 22249227, 66747681]

約数ペア:

[(1, 66747681), (3, 22249227), (7, 9535383), (9, 7416409), (11, 6067971), (13, 5134437), (21, 3178461), (31, 2153151), (33, 2022657), (39, 1711479), (63, 1059487), (77, 866853), (91, 733491), (93, 717717), (99, 674219), (117, 570493), (143, 466767), (217, 307593), (231, 288951), (239, 279279), (273, 244497), (279, 239239), (341, 195741), (403, 165627), (429, 155589), (651, 102531), (693, 96317), (717, 93093), (819, 81499), (1001, 66681), (1023, 65247), (1209, 55209), (1287, 51863), (1673, 39897), (1953, 34177), (2151, 31031), (2387, 27963), (2629, 25389), (2821, 23661), (3003, 22227), (3069, 21749), (3107, 21483), (3627, 18403), (4433, 15057), (5019, 13299), (7161, 9321), (7409, 9009), (7887, 8463)]