2489157

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 48

約数和(自身を含む): 4420800

約数和(自身を除く): 1931643

約数列:

[1, 3, 9, 11, 17, 27, 29, 33, 51, 87, 99, 153, 187, 261, 289, 297, 319, 459, 493, 561, 783, 867, 957, 1479, 1683, 2601, 2871, 3179, 4437, 5049, 5423, 7803, 8381, 8613, 9537, 13311, 16269, 25143, 28611, 48807, 75429, 85833, 92191, 146421, 226287, 276573, 829719, 2489157]

約数ペア:

[(1, 2489157), (3, 829719), (9, 276573), (11, 226287), (17, 146421), (27, 92191), (29, 85833), (33, 75429), (51, 48807), (87, 28611), (99, 25143), (153, 16269), (187, 13311), (261, 9537), (289, 8613), (297, 8381), (319, 7803), (459, 5423), (493, 5049), (561, 4437), (783, 3179), (867, 2871), (957, 2601), (1479, 1683)]