393799563

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{7561}}^1$

素因数の和:8216

約数の個数: 20

約数和(自身を含む): 589261288

約数和(自身を除く): 195461725

約数列:

[1, 3, 9, 27, 81, 643, 1929, 5787, 7561, 17361, 22683, 52083, 68049, 204147, 612441, 4861723, 14585169, 43755507, 131266521, 393799563]

約数ペア:

[(1, 393799563), (3, 131266521), (9, 43755507), (27, 14585169), (81, 4861723), (643, 612441), (1929, 204147), (5787, 68049), (7561, 52083), (17361, 22683)]