488125

Appears in sequences

• a(n) = Sum_{d|n} Möbius(n/d)*d^5/phi(n).at n=24A160893
• Odd numbers k that have a divisor d such that sigma(d)*d is equal to k.at n=12A327599
• Square array A(n, k) = A064987(A246278(n, k)), read by falling antidiagonals; A064987(n) = n*sigma(n), applied to the prime shift array.at n=47A379499
• Square array A(n, k) = A249670(A246278(n, k)), read by falling antidiagonals; A249670(n) = A017665(n)*A017666(n), applied to the prime shift array.at n=47A379500