16978989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2143}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 24012800

約数和(自身を除く): 7033811

約数列:

[1, 3, 19, 57, 139, 417, 2143, 2641, 6429, 7923, 40717, 122151, 297877, 893631, 5659663, 16978989]

約数ペア:

[(1, 16978989), (3, 5659663), (19, 893631), (57, 297877), (139, 122151), (417, 40717), (2143, 7923), (2641, 6429)]