255358467

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2489

約数の個数: 64

約数和(自身を含む): 476636160

約数和(自身を除く): 221277693

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 91, 117, 129, 189, 273, 301, 351, 387, 559, 819, 903, 1161, 1677, 2417, 2457, 2709, 3913, 5031, 7251, 8127, 11739, 15093, 16919, 21753, 31421, 35217, 50757, 65259, 94263, 103931, 105651, 152271, 219947, 282789, 311793, 456813, 659841, 727517, 848367, 935379, 1351103, 1979523, 2182551, 2806137, 4053309, 5938569, 6547653, 9457721, 12159927, 19642959, 28373163, 36479781, 85119489, 255358467]

約数ペア:

[(1, 255358467), (3, 85119489), (7, 36479781), (9, 28373163), (13, 19642959), (21, 12159927), (27, 9457721), (39, 6547653), (43, 5938569), (63, 4053309), (91, 2806137), (117, 2182551), (129, 1979523), (189, 1351103), (273, 935379), (301, 848367), (351, 727517), (387, 659841), (559, 456813), (819, 311793), (903, 282789), (1161, 219947), (1677, 152271), (2417, 105651), (2457, 103931), (2709, 94263), (3913, 65259), (5031, 50757), (7251, 35217), (8127, 31421), (11739, 21753), (15093, 16919)]