127977921

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{278819}}^1$

素因数の和:278845

約数の個数: 16

約数和(自身を含む): 200750400

約数和(自身を除く): 72772479

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 278819, 836457, 2509371, 4739923, 7528113, 14219769, 42659307, 127977921]

約数ペア:

[(1, 127977921), (3, 42659307), (9, 14219769), (17, 7528113), (27, 4739923), (51, 2509371), (153, 836457), (459, 278819)]