EntityQ5156533· pop 6· linked from 26 articlescompletely multiplicative functionSign in to savearithmetic function that is multiplicative for every pair of integers, not necessarily coprimeConnectionsDirichlet convolutionEntitynatural numberEntityInternational Standard Book NumberEntitynumber theoryEntityfundamental theorem of arithmeticEntitycoprimeEntitydomain of a functionEntitymonomialEntitymonoidEntityhomomorphismEntityMöbius functionEntityarithmetic functionEntitymultiplicative functionEntityLegendre symbolEntityDirichlet seriesEntityJacobi symbolEntitydivisor functionEntityLiouville functionEntityDirichlet characterEntityDirichlet L-functionEntityCategoriesMultiplicative functions