16518951

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 27261600

約数和(自身を除く): 10742649

約数列:

[1, 3, 9, 17, 27, 29, 51, 73, 87, 153, 219, 261, 289, 459, 493, 657, 783, 867, 1241, 1479, 1971, 2117, 2601, 3723, 4437, 6351, 7803, 8381, 11169, 13311, 19053, 21097, 25143, 33507, 35989, 57159, 63291, 75429, 107967, 189873, 226287, 323901, 569619, 611813, 971703, 1835439, 5506317, 16518951]

約数ペア:

[(1, 16518951), (3, 5506317), (9, 1835439), (17, 971703), (27, 611813), (29, 569619), (51, 323901), (73, 226287), (87, 189873), (153, 107967), (219, 75429), (261, 63291), (289, 57159), (459, 35989), (493, 33507), (657, 25143), (783, 21097), (867, 19053), (1241, 13311), (1479, 11169), (1971, 8381), (2117, 7803), (2601, 6351), (3723, 4437)]