209775423

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1451}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 329801472

約数和(自身を除く): 120026049

約数列:

[1, 3, 11, 13, 33, 39, 143, 337, 429, 1011, 1451, 3707, 4353, 4381, 11121, 13143, 15961, 18863, 47883, 48191, 56589, 144573, 207493, 488987, 622479, 1466961, 5378857, 6356831, 16136571, 19070493, 69925141, 209775423]

約数ペア:

[(1, 209775423), (3, 69925141), (11, 19070493), (13, 16136571), (33, 6356831), (39, 5378857), (143, 1466961), (337, 622479), (429, 488987), (1011, 207493), (1451, 144573), (3707, 56589), (4353, 48191), (4381, 47883), (11121, 18863), (13143, 15961)]