1721000763

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1249819}}^1$

素因数の和:1249848

約数の個数: 20

約数和(自身を含む): 2722107960

約数和(自身を除く): 1001107197

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1249819, 3749457, 11248371, 21246923, 33745113, 63740769, 101235339, 191222307, 573666921, 1721000763]

約数ペア:

[(1, 1721000763), (3, 573666921), (9, 191222307), (17, 101235339), (27, 63740769), (51, 33745113), (81, 21246923), (153, 11248371), (459, 3749457), (1377, 1249819)]