71763489

素因数分解:

$3^6\times 7^4\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 70

約数和(自身を含む): 128582706

約数和(自身を除く): 56819217

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, 2401, 2583, 3087, 3321, 3969, 5103, 6027, 7203, 7749, 9261, 9963, 11907, 14063, 18081, 21609, 23247, 27783, 29889, 35721, 42189, 54243, 64827, 69741, 83349, 98441, 126567, 162729, 194481, 209223, 250047, 295323, 379701, 488187, 583443, 885969, 1139103, 1464561, 1750329, 2657907, 3417309, 7973721, 10251927, 23921163, 71763489]

約数ペア:

[(1, 71763489), (3, 23921163), (7, 10251927), (9, 7973721), (21, 3417309), (27, 2657907), (41, 1750329), (49, 1464561), (63, 1139103), (81, 885969), (123, 583443), (147, 488187), (189, 379701), (243, 295323), (287, 250047), (343, 209223), (369, 194481), (441, 162729), (567, 126567), (729, 98441), (861, 83349), (1029, 69741), (1107, 64827), (1323, 54243), (1701, 42189), (2009, 35721), (2401, 29889), (2583, 27783), (3087, 23247), (3321, 21609), (3969, 18081), (5103, 14063), (6027, 11907), (7203, 9963), (7749, 9261)]