16965711

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 31584384

約数和(自身を除く): 14618673

約数列:

[1, 3, 7, 9, 17, 21, 31, 49, 51, 63, 73, 93, 119, 147, 153, 217, 219, 279, 357, 441, 511, 527, 651, 657, 833, 1071, 1241, 1519, 1533, 1581, 1953, 2263, 2499, 3577, 3689, 3723, 4557, 4599, 4743, 6789, 7497, 8687, 10731, 11067, 11169, 13671, 15841, 20367, 25823, 26061, 32193, 33201, 38471, 47523, 60809, 77469, 78183, 110887, 115413, 142569, 182427, 232407, 269297, 332661, 346239, 547281, 807891, 997983, 1885079, 2423673, 5655237, 16965711]

約数ペア:

[(1, 16965711), (3, 5655237), (7, 2423673), (9, 1885079), (17, 997983), (21, 807891), (31, 547281), (49, 346239), (51, 332661), (63, 269297), (73, 232407), (93, 182427), (119, 142569), (147, 115413), (153, 110887), (217, 78183), (219, 77469), (279, 60809), (357, 47523), (441, 38471), (511, 33201), (527, 32193), (651, 26061), (657, 25823), (833, 20367), (1071, 15841), (1241, 13671), (1519, 11169), (1533, 11067), (1581, 10731), (1953, 8687), (2263, 7497), (2499, 6789), (3577, 4743), (3689, 4599), (3723, 4557)]