16254189

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 28110720

約数和(自身を除く): 11856531

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 263, 327, 567, 763, 789, 981, 1841, 2289, 2367, 2943, 5523, 6867, 7101, 8829, 16569, 20601, 21303, 28667, 49707, 61803, 86001, 149121, 200669, 258003, 602007, 774009, 1806021, 2322027, 5418063, 16254189]

約数ペア:

[(1, 16254189), (3, 5418063), (7, 2322027), (9, 1806021), (21, 774009), (27, 602007), (63, 258003), (81, 200669), (109, 149121), (189, 86001), (263, 61803), (327, 49707), (567, 28667), (763, 21303), (789, 20601), (981, 16569), (1841, 8829), (2289, 7101), (2367, 6867), (2943, 5523)]