1296162405

素因数分解:

$3^4\times 5^1\times {\mathrm{3200401}}^1$

素因数の和:3200418

約数の個数: 20

約数和(自身を含む): 2323491852

約数和(自身を除く): 1027329447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3200401, 9601203, 16002005, 28803609, 48006015, 86410827, 144018045, 259232481, 432054135, 1296162405]

約数ペア:

[(1, 1296162405), (3, 432054135), (5, 259232481), (9, 144018045), (15, 86410827), (27, 48006015), (45, 28803609), (81, 16002005), (135, 9601203), (405, 3200401)]