128525415

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{27551}}^1$

素因数の和:27870

約数の個数: 16

約数和(自身を含む): 206309376

約数和(自身を除く): 77783961

約数列:

[1, 3, 5, 15, 311, 933, 1555, 4665, 27551, 82653, 137755, 413265, 8568361, 25705083, 42841805, 128525415]

約数ペア:

[(1, 128525415), (3, 42841805), (5, 25705083), (15, 8568361), (311, 413265), (933, 137755), (1555, 82653), (4665, 27551)]