80565261

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 134020224

約数和(自身を除く): 53454963

約数列:

[1, 3, 7, 17, 21, 49, 51, 103, 119, 147, 309, 313, 357, 721, 833, 939, 1751, 2163, 2191, 2499, 5047, 5253, 5321, 6573, 12257, 15141, 15337, 15963, 32239, 36771, 37247, 46011, 85799, 96717, 111741, 225673, 257397, 260729, 548063, 677019, 782187, 1579711, 1644189, 3836441, 4739133, 11509323, 26855087, 80565261]

約数ペア:

[(1, 80565261), (3, 26855087), (7, 11509323), (17, 4739133), (21, 3836441), (49, 1644189), (51, 1579711), (103, 782187), (119, 677019), (147, 548063), (309, 260729), (313, 257397), (357, 225673), (721, 111741), (833, 96717), (939, 85799), (1751, 46011), (2163, 37247), (2191, 36771), (2499, 32239), (5047, 15963), (5253, 15337), (5321, 15141), (6573, 12257)]