I divisori di 9999999 sono 12, elencati qui di seguito: 1; 3; 9; 239; 717; 2151; 4649; 13947; 41841; 1111111; 3333333; 9999999
9999980, 9999981, 9999982, 9999983, 9999984, 9999985, 9999986, 9999987, 9999988, 9999989, 9999990, 9999991, 9999992, 9999993, 9999994, 9999995, 9999996, 9999997, 9999998, 10000000, 10000001, 10000002, 10000003, 10000004, 10000005, 10000006, 10000007, 10000008, 10000009, 10000010, 10000011, 10000012, 10000013, 10000014, 10000015, 10000016, 10000017, 10000018