12879081

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 40

約数和(自身を含む): 20908800

約数和(自身を除く): 8029719

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 199, 423, 459, 597, 799, 1269, 1377, 1791, 2397, 3383, 3807, 5373, 7191, 9353, 10149, 16119, 21573, 28059, 30447, 64719, 84177, 91341, 159001, 252531, 274023, 477003, 757593, 1431009, 4293027, 12879081]

約数ペア:

[(1, 12879081), (3, 4293027), (9, 1431009), (17, 757593), (27, 477003), (47, 274023), (51, 252531), (81, 159001), (141, 91341), (153, 84177), (199, 64719), (423, 30447), (459, 28059), (597, 21573), (799, 16119), (1269, 10149), (1377, 9353), (1791, 7191), (2397, 5373), (3383, 3807)]