2820405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{26861}}^1$

素因数の和:26876

約数の個数: 16

約数和(自身を含む): 5157504

約数和(自身を除く): 2337099

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 26861, 80583, 134305, 188027, 402915, 564081, 940135, 2820405]

約数ペア:

[(1, 2820405), (3, 940135), (5, 564081), (7, 402915), (15, 188027), (21, 134305), (35, 80583), (105, 26861)]