Why did the Sui Dynasty collapse?

Could you please explain, in your understanding, what led to the downfall of the Sui Dynasty? What were the primary factors that contributed to its collapse? Did political instability, economic decline, or social unrest play a significant role? Also, how did these factors interact and compound to bring about the end of this era? It would be helpful if you could provide a concise yet comprehensive overview of the reasons behind the Sui Dynasty's collapse.