81021636

素因数分解:

$2^2\times 3^2\times {\mathrm{2250601}}^1$

素因数の和:2250611

約数の個数: 18

約数和(自身を含む): 204804782

約数和(自身を除く): 123783146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2250601, 4501202, 6751803, 9002404, 13503606, 20255409, 27007212, 40510818, 81021636]

約数ペア:

[(1, 81021636), (2, 40510818), (3, 27007212), (4, 20255409), (6, 13503606), (9, 9002404), (12, 6751803), (18, 4501202), (36, 2250601)]