489893187

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{218021}}^1$

素因数の和:218138

約数の個数: 16

約数和(自身を含む): 753484032

約数和(自身を除く): 263590845

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 218021, 654063, 1526147, 4578441, 23328247, 69984741, 163297729, 489893187]

約数ペア:

[(1, 489893187), (3, 163297729), (7, 69984741), (21, 23328247), (107, 4578441), (321, 1526147), (749, 654063), (2247, 218021)]