161885757

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 252813312

約数和(自身を除く): 90927555

約数列:

[1, 3, 11, 19, 33, 57, 107, 127, 209, 321, 361, 381, 627, 1083, 1177, 1397, 2033, 2413, 3531, 3971, 4191, 6099, 7239, 11913, 13589, 22363, 26543, 38627, 40767, 45847, 67089, 79629, 115881, 137541, 149479, 258191, 424897, 448437, 504317, 774573, 1274691, 1512951, 2840101, 4905629, 8520303, 14716887, 53961919, 161885757]

約数ペア:

[(1, 161885757), (3, 53961919), (11, 14716887), (19, 8520303), (33, 4905629), (57, 2840101), (107, 1512951), (127, 1274691), (209, 774573), (321, 504317), (361, 448437), (381, 424897), (627, 258191), (1083, 149479), (1177, 137541), (1397, 115881), (2033, 79629), (2413, 67089), (3531, 45847), (3971, 40767), (4191, 38627), (6099, 26543), (7239, 22363), (11913, 13589)]