39947841

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1367}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 61461504

約数和(自身を除く): 21513663

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 1367, 1719, 3247, 4101, 9741, 12303, 23239, 29223, 69717, 209151, 261097, 783291, 2349873, 4438649, 13315947, 39947841]

約数ペア:

[(1, 39947841), (3, 13315947), (9, 4438649), (17, 2349873), (51, 783291), (153, 261097), (191, 209151), (573, 69717), (1367, 29223), (1719, 23239), (3247, 12303), (4101, 9741)]