12900405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{122861}}^1$

素因数の和:122876

約数の個数: 16

約数和(自身を含む): 23589504

約数和(自身を除く): 10689099

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 122861, 368583, 614305, 860027, 1842915, 2580081, 4300135, 12900405]

約数ペア:

[(1, 12900405), (3, 4300135), (5, 2580081), (7, 1842915), (15, 860027), (21, 614305), (35, 368583), (105, 122861)]