213925989

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{22717}}^1$

素因数の和:22836

約数の個数: 16

約数和(自身を含む): 295879232

約数和(自身を除く): 81953243

約数列:

[1, 3, 43, 73, 129, 219, 3139, 9417, 22717, 68151, 976831, 1658341, 2930493, 4975023, 71308663, 213925989]

約数ペア:

[(1, 213925989), (3, 71308663), (43, 4975023), (73, 2930493), (129, 1658341), (219, 976831), (3139, 68151), (9417, 22717)]