81268755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{318701}}^1$

素因数の和:318726

約数の個数: 16

約数和(自身を含む): 137679264

約数和(自身を除く): 56410509

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 318701, 956103, 1593505, 4780515, 5417917, 16253751, 27089585, 81268755]

約数ペア:

[(1, 81268755), (3, 27089585), (5, 16253751), (15, 5417917), (17, 4780515), (51, 1593505), (85, 956103), (255, 318701)]