A217531 Numbers n such that sum of cubes of digits of n equals the sum of prime divisors of n.

142, 402, 5505, 6127, 7305, 12643, 13550, 21033, 21452, 22244, 22290, 22532, 24030, 24936, 25612, 28132, 32040, 35125, 35296, 43053, 47835, 51404, 51703, 52324, 55869, 66003, 69060, 80125, 82464, 86833, 101061, 102240, 103039, 104647, 110334, 110616, 111153

Offset: 1

Author

Michel Lagneau, Oct 05 2012

Keywords

• nonn
• easy
• base

Comments

n such that A055012 (n) = A008472(n).

Examples

			402 =  2*3*67  is in the sequence because 4^3 + 0^3 + 2^3 = 2 + 3 + 67 = 72.
		

Crossrefs

Cf. A055012, A008472, A217390.

Programs

Mathematica

Rest[Select[Range[20000], Total[Transpose[FactorInteger[#]][[1]]]==Total[IntegerDigits[#]^3]&]]