201219579

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{18311}}^1$

素因数の和:18368

約数の個数: 32

約数和(自身を含む): 334010880

約数和(自身を除く): 132791301

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 18311, 54933, 164799, 201421, 494397, 604263, 677507, 1812789, 2032521, 5438367, 6097563, 7452577, 18292689, 22357731, 67073193, 201219579]

約数ペア:

[(1, 201219579), (3, 67073193), (9, 22357731), (11, 18292689), (27, 7452577), (33, 6097563), (37, 5438367), (99, 2032521), (111, 1812789), (297, 677507), (333, 604263), (407, 494397), (999, 201421), (1221, 164799), (3663, 54933), (10989, 18311)]