2857788405

素因数分解:

$3^3\times 5^1\times {\mathrm{21168803}}^1$

素因数の和:21168817

約数の個数: 16

約数和(自身を含む): 5080512960

約数和(自身を除く): 2222724555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 21168803, 63506409, 105844015, 190519227, 317532045, 571557681, 952596135, 2857788405]

約数ペア:

[(1, 2857788405), (3, 952596135), (5, 571557681), (9, 317532045), (15, 190519227), (27, 105844015), (45, 63506409), (135, 21168803)]