256410945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{814003}}^1$

素因数の和:814021

約数の個数: 24

約数和(自身を含む): 507938496

約数和(自身を除く): 251527551

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 814003, 2442009, 4070015, 5698021, 7326027, 12210045, 17094063, 28490105, 36630135, 51282189, 85470315, 256410945]

約数ペア:

[(1, 256410945), (3, 85470315), (5, 51282189), (7, 36630135), (9, 28490105), (15, 17094063), (21, 12210045), (35, 7326027), (45, 5698021), (63, 4070015), (105, 2442009), (315, 814003)]