1166399

Appears in sequences

• RMS numbers: numbers n such that root mean square of divisors of n is an integer.at n=34A140480
• Primitive RMS numbers: RMS numbers which are not the product of two smaller RMS numbers.at n=16A141813
• Number of unordered factorizations of n! into two distinct proper factors.at n=28A157672
• Composite RMS numbers: composite numbers c such that root mean square of divisors of c is an integer.at n=30A158287
• Numbers m such that the arithmetic mean and the quadratic mean (the root mean square) of the divisors of m are both integers.at n=34A327055