1338891

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 16

約数和(自身を含む): 1862784

約数和(自身を除く): 523893

約数列:

[1, 3, 43, 97, 107, 129, 291, 321, 4171, 4601, 10379, 12513, 13803, 31137, 446297, 1338891]

約数ペア:

[(1, 1338891), (3, 446297), (43, 31137), (97, 13803), (107, 12513), (129, 10379), (291, 4601), (321, 4171)]