257477354127

素因数分解:

$3^5\times 7^1\times {\mathrm{443}}^1\times {\mathrm{449}}^1\times {\mathrm{761}}^1$

素因数の和:1675

約数の個数: 96

約数和(自身を含む): 443345011200

約数和(自身を除く): 185867657073

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 443, 449, 567, 761, 1329, 1347, 1701, 2283, 3101, 3143, 3987, 4041, 5327, 6849, 9303, 9429, 11961, 12123, 15981, 20547, 27909, 28287, 35883, 36369, 47943, 61641, 83727, 84861, 107649, 109107, 143829, 184923, 198907, 251181, 254583, 337123, 341689, 431487, 596721, 753543, 763749, 1011369, 1025067, 1294461, 1392349, 1790163, 2359861, 2391823, 3034107, 3075201, 4177047, 5370489, 7079583, 7175469, 9102321, 9225603, 12531141, 16111467, 21238749, 21526407, 27306963, 27676809, 37593423, 48334401, 63716247, 64579221, 81920889, 83030427, 112780269, 151368227, 191148741, 193737663, 338340807, 454104681, 573446223, 581212989, 1059577589, 1362314043, 3178732767, 4086942129, 9536198301, 12260826387, 28608594903, 36782479161, 85825784709, 257477354127]

約数ペア:

[(1, 257477354127), (3, 85825784709), (7, 36782479161), (9, 28608594903), (21, 12260826387), (27, 9536198301), (63, 4086942129), (81, 3178732767), (189, 1362314043), (243, 1059577589), (443, 581212989), (449, 573446223), (567, 454104681), (761, 338340807), (1329, 193737663), (1347, 191148741), (1701, 151368227), (2283, 112780269), (3101, 83030427), (3143, 81920889), (3987, 64579221), (4041, 63716247), (5327, 48334401), (6849, 37593423), (9303, 27676809), (9429, 27306963), (11961, 21526407), (12123, 21238749), (15981, 16111467), (20547, 12531141), (27909, 9225603), (28287, 9102321), (35883, 7175469), (36369, 7079583), (47943, 5370489), (61641, 4177047), (83727, 3075201), (84861, 3034107), (107649, 2391823), (109107, 2359861), (143829, 1790163), (184923, 1392349), (198907, 1294461), (251181, 1025067), (254583, 1011369), (337123, 763749), (341689, 753543), (431487, 596721)]