256860297

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{65309}}^1$

素因数の和:65357

約数の個数: 24

約数和(自身を含む): 407534400

約数和(自身を除く): 150674103

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 65309, 195927, 587781, 1240871, 1502107, 3722613, 4506321, 11167839, 13518963, 28540033, 85620099, 256860297]

約数ペア:

[(1, 256860297), (3, 85620099), (9, 28540033), (19, 13518963), (23, 11167839), (57, 4506321), (69, 3722613), (171, 1502107), (207, 1240871), (437, 587781), (1311, 195927), (3933, 65309)]