81944778897

素因数分解:

$3^4\times {\mathrm{613}}^1\times {\mathrm{1650349}}^1$

素因数の和:1650974

約数の個数: 20

約数和(自身を含む): 122611102900

約数和(自身を除く): 40666324003

約数列:

[1, 3, 9, 27, 81, 613, 1839, 5517, 16551, 49653, 1650349, 4951047, 14853141, 44559423, 133678269, 1011663937, 3034991811, 9104975433, 27314926299, 81944778897]

約数ペア:

[(1, 81944778897), (3, 27314926299), (9, 9104975433), (27, 3034991811), (81, 1011663937), (613, 133678269), (1839, 44559423), (5517, 14853141), (16551, 4951047), (49653, 1650349)]