1749691287

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{69457}}^1$

素因数の和:69780

約数の個数: 20

約数和(自身を含む): 2622178416

約数和(自身を除く): 872487129

約数列:

[1, 3, 9, 27, 81, 311, 933, 2799, 8397, 25191, 69457, 208371, 625113, 1875339, 5626017, 21601127, 64803381, 194410143, 583230429, 1749691287]

約数ペア:

[(1, 1749691287), (3, 583230429), (9, 194410143), (27, 64803381), (81, 21601127), (311, 5626017), (933, 1875339), (2799, 625113), (8397, 208371), (25191, 69457)]