81720942

素因数分解:

$2^1\times 3^1\times {\mathrm{199}}^1\times {\mathrm{68443}}^1$

素因数の和:68647

約数の個数: 16

約数和(自身を含む): 164265600

約数和(自身を除く): 82544658

約数列:

[1, 2, 3, 6, 199, 398, 597, 1194, 68443, 136886, 205329, 410658, 13620157, 27240314, 40860471, 81720942]

約数ペア:

[(1, 81720942), (2, 40860471), (3, 27240314), (6, 13620157), (199, 410658), (398, 205329), (597, 136886), (1194, 68443)]