2657907

素因数分解:

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

素因数の和:78

約数の個数: 40

約数和(自身を含む): 4705680

約数和(自身を除く): 2047773

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 343, 369, 441, 861, 1029, 1107, 1323, 2009, 2401, 2583, 3087, 6027, 7203, 7749, 9261, 14063, 18081, 21609, 42189, 54243, 64827, 98441, 126567, 295323, 379701, 885969, 2657907]

約数ペア:

[(1, 2657907), (3, 885969), (7, 379701), (9, 295323), (21, 126567), (27, 98441), (41, 64827), (49, 54243), (63, 42189), (123, 21609), (147, 18081), (189, 14063), (287, 9261), (343, 7749), (369, 7203), (441, 6027), (861, 3087), (1029, 2583), (1107, 2401), (1323, 2009)]