405270405

素因数分解:

$3^3\times 5^1\times {\mathrm{3002003}}^1$

素因数の和:3002017

約数の個数: 16

約数和(自身を含む): 720480960

約数和(自身を除く): 315210555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 3002003, 9006009, 15010015, 27018027, 45030045, 81054081, 135090135, 405270405]

約数ペア:

[(1, 405270405), (3, 135090135), (5, 81054081), (9, 45030045), (15, 27018027), (27, 15010015), (45, 9006009), (135, 3002003)]