245487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 16

約数和(自身を含む): 367488

約数和(自身を除く): 122001

約数列:

[1, 3, 11, 33, 43, 129, 173, 473, 519, 1419, 1903, 5709, 7439, 22317, 81829, 245487]

約数ペア:

[(1, 245487), (3, 81829), (11, 22317), (33, 7439), (43, 5709), (129, 1903), (173, 1419), (473, 519)]