128796777

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{280603}}^1$

素因数の和:280629

約数の個数: 16

約数和(自身を含む): 202034880

約数和(自身を除く): 73238103

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 280603, 841809, 2525427, 4770251, 7576281, 14310753, 42932259, 128796777]

約数ペア:

[(1, 128796777), (3, 42932259), (9, 14310753), (17, 7576281), (27, 4770251), (51, 2525427), (153, 841809), (459, 280603)]