489590913

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{240349}}^1$

素因数の和:240456

約数の個数: 16

約数和(自身を含む): 753737600

約数和(自身を除く): 264146687

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 240349, 721047, 1682443, 5047329, 23313853, 69941559, 163196971, 489590913]

約数ペア:

[(1, 489590913), (3, 163196971), (7, 69941559), (21, 23313853), (97, 5047329), (291, 1682443), (679, 721047), (2037, 240349)]