17551971

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{643}}^1$

素因数の和:992

約数の個数: 20

約数和(自身を含む): 26338312

約数和(自身を除く): 8786341

約数列:

[1, 3, 9, 27, 81, 337, 643, 1011, 1929, 3033, 5787, 9099, 17361, 27297, 52083, 216691, 650073, 1950219, 5850657, 17551971]

約数ペア:

[(1, 17551971), (3, 5850657), (9, 1950219), (27, 650073), (81, 216691), (337, 52083), (643, 27297), (1011, 17361), (1929, 9099), (3033, 5787)]