2788479

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:891

約数の個数: 16

約数和(自身を含む): 4166400

約数和(自身を除く): 1377921

約数列:

[1, 3, 9, 27, 139, 417, 743, 1251, 2229, 3753, 6687, 20061, 103277, 309831, 929493, 2788479]

約数ペア:

[(1, 2788479), (3, 929493), (9, 309831), (27, 103277), (139, 20061), (417, 6687), (743, 3753), (1251, 2229)]