EntityQ1048447· pop 31· linked from 78 articlesmultiplicative functionSign in to savearithmetic function that is multiplicative for every pair of coprime integersConnectionsabelian groupEntitycoprimeEntityDirichlet convolutionEntityInternational Standard Book NumberEntitycomplex numberEntityprime numberEntityintegerEntityfunctionEntitynumber theoryEntitydigital object identifierEntitygreatest common divisorEntitynegative real numberEntityleast common multipleEntityfundamental theorem of arithmeticEntitydivisorEntityQ118398Entityif and only ifEntityidentity elementEntitymonoidEntityhomomorphismEntityCategoriesMultiplicative functionsNumber theory