2941731

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 5157600

約数和(自身を除く): 2215869

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 87, 117, 153, 221, 261, 289, 351, 377, 459, 493, 663, 783, 867, 1131, 1479, 1989, 2601, 3393, 3757, 4437, 5967, 6409, 7803, 8381, 10179, 11271, 13311, 19227, 25143, 33813, 57681, 75429, 101439, 108953, 173043, 226287, 326859, 980577, 2941731]

約数ペア:

[(1, 2941731), (3, 980577), (9, 326859), (13, 226287), (17, 173043), (27, 108953), (29, 101439), (39, 75429), (51, 57681), (87, 33813), (117, 25143), (153, 19227), (221, 13311), (261, 11271), (289, 10179), (351, 8381), (377, 7803), (459, 6409), (493, 5967), (663, 4437), (783, 3757), (867, 3393), (1131, 2601), (1479, 1989)]