3840405

素因数分解:

$3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 6168960

約数和(自身を除く): 2328555

約数列:

[1, 3, 5, 15, 503, 509, 1509, 1527, 2515, 2545, 7545, 7635, 256027, 768081, 1280135, 3840405]

約数ペア:

[(1, 3840405), (3, 1280135), (5, 768081), (15, 256027), (503, 7635), (509, 7545), (1509, 2545), (1527, 2515)]