7856640

Appears in sequences

• OU-Sigma multiperfect numbers.at n=15A091321
• Bi-unitary multiperfect numbers.at n=15A189000
• Numbers k such that core(k) is equal to the sum of the proper square divisors of k, where core(k) = A007913(k).at n=27A225882
• Numbers k such that k divides sigma(3*k).at n=25A227303
• Terms of A050973 that give minimum record values for A050973(k)/A050972(k).at n=3A236372