270405

素因数分解:

$3^3\times 5^1\times {\mathrm{2003}}^1$

素因数の和:2017

約数の個数: 16

約数和(自身を含む): 480960

約数和(自身を除く): 210555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2003, 6009, 10015, 18027, 30045, 54081, 90135, 270405]

約数ペア:

[(1, 270405), (3, 90135), (5, 54081), (9, 30045), (15, 18027), (27, 10015), (45, 6009), (135, 2003)]