7621389

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 11788920

約数和(自身を除く): 4167531

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 457, 981, 1371, 1853, 4113, 5559, 7769, 16677, 23307, 49813, 69921, 149439, 448317, 846821, 2540463, 7621389]

約数ペア:

[(1, 7621389), (3, 2540463), (9, 846821), (17, 448317), (51, 149439), (109, 69921), (153, 49813), (327, 23307), (457, 16677), (981, 7769), (1371, 5559), (1853, 4113)]