27780405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{63863}}^1$

素因数の和:63900

約数の個数: 16

約数和(自身を含む): 45982080

約数和(自身を除く): 18201675

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 63863, 191589, 319315, 957945, 1852027, 5556081, 9260135, 27780405]

約数ペア:

[(1, 27780405), (3, 9260135), (5, 5556081), (15, 1852027), (29, 957945), (87, 319315), (145, 191589), (435, 63863)]