13122405

素因数分解:

$3^4\times 5^1\times {\mathrm{32401}}^1$

素因数の和:32418

約数の個数: 20

約数和(自身を含む): 23523852

約数和(自身を除く): 10401447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32401, 97203, 162005, 291609, 486015, 874827, 1458045, 2624481, 4374135, 13122405]

約数ペア:

[(1, 13122405), (3, 4374135), (5, 2624481), (9, 1458045), (15, 874827), (27, 486015), (45, 291609), (81, 162005), (135, 97203), (405, 32401)]