🌐فارسیEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ1048447· pop 31· linked from 78 articlesتابع ضربیAlso known as weakly multiplicative functionarithmetic function that is multiplicative for every pair of coprime integersAvailable in 31 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaConnectionsabelian groupEntitycoprimeEntityCategoriesMultiplicative functionsNumber theory