30755781

素因数分解:

$3^7\times 7^3\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 64

約数和(自身を含む): 55104000

約数和(自身を除く): 24348219

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 81, 123, 147, 189, 243, 287, 343, 369, 441, 567, 729, 861, 1029, 1107, 1323, 1701, 2009, 2187, 2583, 3087, 3321, 3969, 5103, 6027, 7749, 9261, 9963, 11907, 14063, 15309, 18081, 23247, 27783, 29889, 35721, 42189, 54243, 69741, 83349, 89667, 107163, 126567, 162729, 209223, 250047, 379701, 488187, 627669, 750141, 1139103, 1464561, 3417309, 4393683, 10251927, 30755781]

約数ペア:

[(1, 30755781), (3, 10251927), (7, 4393683), (9, 3417309), (21, 1464561), (27, 1139103), (41, 750141), (49, 627669), (63, 488187), (81, 379701), (123, 250047), (147, 209223), (189, 162729), (243, 126567), (287, 107163), (343, 89667), (369, 83349), (441, 69741), (567, 54243), (729, 42189), (861, 35721), (1029, 29889), (1107, 27783), (1323, 23247), (1701, 18081), (2009, 15309), (2187, 14063), (2583, 11907), (3087, 9963), (3321, 9261), (3969, 7749), (5103, 6027)]