280773459

素因数分解:

$3^4\times {\mathrm{547}}^1\times {\mathrm{6337}}^1$

素因数の和:6896

約数の個数: 20

約数和(自身を含む): 420260104

約数和(自身を除く): 139486645

約数列:

[1, 3, 9, 27, 81, 547, 1641, 4923, 6337, 14769, 19011, 44307, 57033, 171099, 513297, 3466339, 10399017, 31197051, 93591153, 280773459]

約数ペア:

[(1, 280773459), (3, 93591153), (9, 31197051), (27, 10399017), (81, 3466339), (547, 513297), (1641, 171099), (4923, 57033), (6337, 44307), (14769, 19011)]