31798143

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 54462240

約数和(自身を除く): 22664097

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 73, 117, 153, 219, 221, 351, 459, 657, 663, 949, 1241, 1971, 1989, 2847, 3723, 5329, 5967, 8541, 11169, 15987, 16133, 25623, 33507, 47961, 48399, 69277, 90593, 143883, 145197, 207831, 271779, 435591, 623493, 815337, 1177709, 1870479, 2446011, 3533127, 10599381, 31798143]

約数ペア:

[(1, 31798143), (3, 10599381), (9, 3533127), (13, 2446011), (17, 1870479), (27, 1177709), (39, 815337), (51, 623493), (73, 435591), (117, 271779), (153, 207831), (219, 145197), (221, 143883), (351, 90593), (459, 69277), (657, 48399), (663, 47961), (949, 33507), (1241, 25623), (1971, 16133), (1989, 15987), (2847, 11169), (3723, 8541), (5329, 5967)]