2249559

素因数分解:

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

素因数の和:81

約数の個数: 48

約数和(自身を含む): 3952800

約数和(自身を除く): 1703241

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 87, 117, 153, 169, 221, 261, 351, 377, 459, 493, 507, 663, 783, 1131, 1479, 1521, 1989, 2873, 3393, 4437, 4563, 4901, 5967, 6409, 8619, 10179, 13311, 14703, 19227, 25857, 44109, 57681, 77571, 83317, 132327, 173043, 249951, 749853, 2249559]

約数ペア:

[(1, 2249559), (3, 749853), (9, 249951), (13, 173043), (17, 132327), (27, 83317), (29, 77571), (39, 57681), (51, 44109), (87, 25857), (117, 19227), (153, 14703), (169, 13311), (221, 10179), (261, 8619), (351, 6409), (377, 5967), (459, 4901), (493, 4563), (507, 4437), (663, 3393), (783, 2873), (1131, 1989), (1479, 1521)]