628578999

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{468739}}^1$

素因数の和:468894

約数の個数: 12

約数和(自身を含む): 914043000

約数和(自身を除く): 285464001

約数列:

[1, 3, 9, 149, 447, 1341, 468739, 1406217, 4218651, 69842111, 209526333, 628578999]

約数ペア:

[(1, 628578999), (3, 209526333), (9, 69842111), (149, 4218651), (447, 1406217), (1341, 468739)]