218829315

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 358136640

約数和(自身を除く): 139307325

約数列:

[1, 3, 5, 15, 53, 159, 265, 409, 673, 795, 1227, 2019, 2045, 3365, 6135, 10095, 21677, 35669, 65031, 107007, 108385, 178345, 275257, 325155, 535035, 825771, 1376285, 4128855, 14588621, 43765863, 72943105, 218829315]

約数ペア:

[(1, 218829315), (3, 72943105), (5, 43765863), (15, 14588621), (53, 4128855), (159, 1376285), (265, 825771), (409, 535035), (673, 325155), (795, 275257), (1227, 178345), (2019, 108385), (2045, 107007), (3365, 65031), (6135, 35669), (10095, 21677)]