28975401

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3931}}^1$

素因数の和:3963

約数の個数: 40

約数和(自身を含む): 53286464

約数和(自身を除く): 24311063

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 3931, 7371, 11793, 27517, 35379, 51103, 82551, 106137, 153309, 247653, 318411, 357721, 459927, 742959, 1073163, 1379781, 2228877, 3219489, 4139343, 9658467, 28975401]

約数ペア:

[(1, 28975401), (3, 9658467), (7, 4139343), (9, 3219489), (13, 2228877), (21, 1379781), (27, 1073163), (39, 742959), (63, 459927), (81, 357721), (91, 318411), (117, 247653), (189, 153309), (273, 106137), (351, 82551), (567, 51103), (819, 35379), (1053, 27517), (2457, 11793), (3931, 7371)]