7970781

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 13763904

約数和(自身を除く): 5793123

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 97, 129, 147, 273, 291, 301, 559, 637, 679, 903, 1261, 1677, 1911, 2037, 2107, 3783, 3913, 4171, 4753, 6321, 8827, 11739, 12513, 14259, 26481, 27391, 29197, 54223, 61789, 82173, 87591, 162669, 185367, 204379, 379561, 613137, 1138683, 2656927, 7970781]

約数ペア:

[(1, 7970781), (3, 2656927), (7, 1138683), (13, 613137), (21, 379561), (39, 204379), (43, 185367), (49, 162669), (91, 87591), (97, 82173), (129, 61789), (147, 54223), (273, 29197), (291, 27391), (301, 26481), (559, 14259), (637, 12513), (679, 11739), (903, 8827), (1261, 6321), (1677, 4753), (1911, 4171), (2037, 3913), (2107, 3783)]