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891 = 1, 3, 9, 11, 27, 33, 81, 99, 297, 891
1008 = 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008
701 = PRIMO