85721085

素因数分解:

$3^4\times 5^1\times {\mathrm{211657}}^1$

素因数の和:211674

約数の個数: 20

約数和(自身を含む): 153663708

約数和(自身を除く): 67942623

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 211657, 634971, 1058285, 1904913, 3174855, 5714739, 9524565, 17144217, 28573695, 85721085]

約数ペア:

[(1, 85721085), (3, 28573695), (5, 17144217), (9, 9524565), (15, 5714739), (27, 3174855), (45, 1904913), (81, 1058285), (135, 634971), (405, 211657)]