Table of Contents:
“…The Sigma Function -- Multiplicative Functions -- Perfect Numbers Revisited -- Mersenne Primes -- F(n)=Sigmaf(d) Where d Is a Divisor of n -- The Möbius Function -- The Riemann Zeta Function -- Exercises -- Chapter 7 The Euler Phi Function -- The Phi Function -- Eulerś Generalization of Fermatś Little Theorem -- Phi of a Product of m and n When gcd(m,n)>1 -- The Order of a (
mod n) -- Primitive Roots -- The Index of m (
mod p) Relative to a -- To Be or Not to Be a Quadratic Residue -- The Legendre Symbol -- Quadratic Reciprocity -- When Does x2=a (
mod n) Have a Solution? …”
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