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Search: id:A075867
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A075867 tau(n) = sigma(sum of prime factors of n). +0
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4, 12, 18, 27, 40, 180, 250, 300, 450, 704, 780, 924, 1120, 1170, 1320, 1344, 1386, 1400, 1950, 1960, 2025, 2970, 3125, 3192, 3234, 3500, 4080, 4455, 4725, 4760, 4896, 5070, 5082, 5625, 5720, 6615, 6860, 7182, 7280, 7875, 8250, 8280, 8505, 8704 (list; graph; listen)
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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