2430081

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1610

約数の個数: 20

約数和(自身を含む): 3823600

約数和(自身を除く): 1393519

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1579, 4737, 14211, 30001, 42633, 90003, 127899, 270009, 810027, 2430081]

約数ペア:

[(1, 2430081), (3, 810027), (9, 270009), (19, 127899), (27, 90003), (57, 42633), (81, 30001), (171, 14211), (513, 4737), (1539, 1579)]