28973727

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{56479}}^1$

素因数の和:56507

約数の個数: 16

約数和(自身を含む): 45184000

約数和(自身を除く): 16210273

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 56479, 169437, 508311, 1073101, 1524933, 3219303, 9657909, 28973727]

約数ペア:

[(1, 28973727), (3, 9657909), (9, 3219303), (19, 1524933), (27, 1073101), (57, 508311), (171, 169437), (513, 56479)]