2585121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 4681728

約数和(自身を除く): 2096607

約数列:

[1, 3, 7, 11, 19, 21, 31, 33, 57, 77, 93, 133, 209, 217, 231, 341, 361, 399, 589, 627, 651, 1023, 1083, 1463, 1767, 2387, 2527, 3971, 4123, 4389, 6479, 7161, 7581, 11191, 11913, 12369, 19437, 27797, 33573, 45353, 78337, 83391, 123101, 136059, 235011, 369303, 861707, 2585121]

約数ペア:

[(1, 2585121), (3, 861707), (7, 369303), (11, 235011), (19, 136059), (21, 123101), (31, 83391), (33, 78337), (57, 45353), (77, 33573), (93, 27797), (133, 19437), (209, 12369), (217, 11913), (231, 11191), (341, 7581), (361, 7161), (399, 6479), (589, 4389), (627, 4123), (651, 3971), (1023, 2527), (1083, 2387), (1463, 1767)]