27699651

素因数分解:

$3^4\times 7^3\times {\mathrm{997}}^1$

素因数の和:1030

約数の個数: 40

約数和(自身を含む): 48303200

約数和(自身を除く): 20603549

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 997, 1029, 1323, 2991, 3087, 3969, 6979, 8973, 9261, 20937, 26919, 27783, 48853, 62811, 80757, 146559, 188433, 341971, 439677, 565299, 1025913, 1319031, 3077739, 3957093, 9233217, 27699651]

約数ペア:

[(1, 27699651), (3, 9233217), (7, 3957093), (9, 3077739), (21, 1319031), (27, 1025913), (49, 565299), (63, 439677), (81, 341971), (147, 188433), (189, 146559), (343, 80757), (441, 62811), (567, 48853), (997, 27783), (1029, 26919), (1323, 20937), (2991, 9261), (3087, 8973), (3969, 6979)]