128210685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{502787}}^1$

素因数の和:502812

約数の個数: 16

約数和(自身を含む): 217204416

約数和(自身を除く): 88993731

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 502787, 1508361, 2513935, 7541805, 8547379, 25642137, 42736895, 128210685]

約数ペア:

[(1, 128210685), (3, 42736895), (5, 25642137), (15, 8547379), (17, 7541805), (51, 2513935), (85, 1508361), (255, 502787)]