KnowraMöbius functionLinked fromLinked fromThe 11 pages that link to Möbius function, each with the reason it gives.All 11Broader topic 3Related 6Compared with 2Multiplicative functionBroader topic: Its prime-factor definition gives a canonical example of multiplicativity.August Ferdinand MöbiusBroader topic: This number-theoretic function is named for Möbius and underlies the inversion formula.Arithmetic functionBroader topic: Its signs encode square-free factorization and drive divisor-sum inversion.