162405

素因数分解:

$3^4\times 5^1\times {\mathrm{401}}^1$

素因数の和:418

約数の個数: 20

約数和(自身を含む): 291852

約数和(自身を除く): 129447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 401, 405, 1203, 2005, 3609, 6015, 10827, 18045, 32481, 54135, 162405]

約数ペア:

[(1, 162405), (3, 54135), (5, 32481), (9, 18045), (15, 10827), (27, 6015), (45, 3609), (81, 2005), (135, 1203), (401, 405)]