256897521

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{106907}}^1$

素因数の和:107005

約数の個数: 16

約数和(自身を含む): 384868800

約数和(自身を除く): 127971279

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 106907, 320721, 962163, 2886489, 9514723, 28544169, 85632507, 256897521]

約数ペア:

[(1, 256897521), (3, 85632507), (9, 28544169), (27, 9514723), (89, 2886489), (267, 962163), (801, 320721), (2403, 106907)]