31878009

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 50400000

約数和(自身を除く): 18521991

約数列:

[1, 3, 9, 17, 27, 51, 153, 199, 349, 459, 597, 1047, 1791, 3141, 3383, 5373, 5933, 9423, 10149, 17799, 30447, 53397, 69451, 91341, 160191, 208353, 625059, 1180667, 1875177, 3542001, 10626003, 31878009]

約数ペア:

[(1, 31878009), (3, 10626003), (9, 3542001), (17, 1875177), (27, 1180667), (51, 625059), (153, 208353), (199, 160191), (349, 91341), (459, 69451), (597, 53397), (1047, 30447), (1791, 17799), (3141, 10149), (3383, 9423), (5373, 5933)]