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A059465 Numbers which are the sum of their proper divisors containing the digit 6. 9
528, 27340, 27380, 122780, 130420, 130564, 130580, 134740, 147380, 225932, 227380, 241340, 243220, 245380, 251380, 252380, 252820, 253180, 253420, 253780, 259340, 271340, 272380, 272980, 273140, 273380, 273580, 273820, 279340, 305380, 307220, 322540, 322780 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Hiroaki Yamanouchi, Table of n, a(n) for n = 1..1532

MATHEMATICA

spd6Q[n_]:=Total[Select[Most[Rest[Divisors[n]]], DigitCount[#, 10, 6]> 0&]] == n; Select[Range[330000], spd6Q]//Quiet (* Harvey P. Dale, Apr 15 2017 *)

CROSSREFS

Cf. A059461, A271448, A059462, A059463, A059464, A059466, A059467, A059468.

Sequence in context: A223253 A233103 A223244 * A071236 A048101 A233087

Adjacent sequences:  A059462 A059463 A059464 * A059466 A059467 A059468

KEYWORD

base,nonn

AUTHOR

Erich Friedman, Feb 03 2001

EXTENSIONS

a(4)-a(33) from Hiroaki Yamanouchi, Sep 24 2014

STATUS

approved

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Last modified November 30 16:23 EST 2021. Contains 349423 sequences. (Running on oeis4.)