28690017

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 38949120

約数和(自身を除く): 10259103

約数列:

[1, 3, 107, 139, 321, 417, 643, 1929, 14873, 44619, 68801, 89377, 206403, 268131, 9563339, 28690017]

約数ペア:

[(1, 28690017), (3, 9563339), (107, 268131), (139, 206403), (321, 89377), (417, 68801), (643, 44619), (1929, 14873)]