短語詞組短語perfect t number 完全數(shù)perfect cube number 完全立方數(shù)perfect square number 完全平方數(shù)lower perfect neighborhood number 下完美鄰域數(shù)Perfect totient number 完全歐拉數(shù)the lower perfect neighborhood number 圖的下完美鄰域數(shù)Find perfect number 完美數(shù)遍歷an odd perfect number 奇完全數(shù)exponentially perfect number 指數(shù)完全數(shù) 返回 perfect number