209138541

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{1019}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 293490720

約数和(自身を除く): 84352179

約数列:

[1, 3, 37, 43, 111, 129, 1019, 1591, 1849, 3057, 4773, 5547, 37703, 43817, 68413, 113109, 131451, 205239, 1621229, 1884131, 4863687, 5652393, 69712847, 209138541]

約数ペア:

[(1, 209138541), (3, 69712847), (37, 5652393), (43, 4863687), (111, 1884131), (129, 1621229), (1019, 205239), (1591, 131451), (1849, 113109), (3057, 68413), (4773, 43817), (5547, 37703)]