4138364160

Appears in sequences

• Numbers n for which sigma(n)/n = k+1/3 with integer k.at n=12A160320
• Numbers k such that A017666(k) = denominator(sigma(k)/k) = 3.at n=26A245775
• Numbers m such that k(m) = m/tau(m) - sigma(m)/m is an integer.at n=7A245778