27193887

素因数分解:

$3^6\times 7^1\times {\mathrm{73}}^2$

素因数の和:171

約数の個数: 42

約数和(自身を含む): 47243832

約数和(自身を除く): 20049945

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 243, 511, 567, 657, 729, 1533, 1701, 1971, 4599, 5103, 5329, 5913, 13797, 15987, 17739, 37303, 41391, 47961, 53217, 111909, 124173, 143883, 335727, 372519, 431649, 1007181, 1294947, 3021543, 3884841, 9064629, 27193887]

約数ペア:

[(1, 27193887), (3, 9064629), (7, 3884841), (9, 3021543), (21, 1294947), (27, 1007181), (63, 431649), (73, 372519), (81, 335727), (189, 143883), (219, 124173), (243, 111909), (511, 53217), (567, 47961), (657, 41391), (729, 37303), (1533, 17739), (1701, 15987), (1971, 13797), (4599, 5913), (5103, 5329)]