28481517

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7589}}^1$

素因数の和:7737

約数の個数: 16

約数和(自身を含む): 42504000

約数和(自身を除く): 14022483

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7589, 22767, 68301, 204903, 1054871, 3164613, 9493839, 28481517]

約数ペア:

[(1, 28481517), (3, 9493839), (9, 3164613), (27, 1054871), (139, 204903), (417, 68301), (1251, 22767), (3753, 7589)]