208671957

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11657}}^1$

素因数の和:11699

約数の個数: 40

約数和(自身を含む): 355475736

約数和(自身を除く): 146803779

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1989, 5967, 11657, 17901, 34971, 104913, 151541, 198169, 314739, 454623, 594507, 944217, 1363869, 1783521, 2576197, 4091607, 5350563, 7728591, 12274821, 16051689, 23185773, 69557319, 208671957]

約数ペア:

[(1, 208671957), (3, 69557319), (9, 23185773), (13, 16051689), (17, 12274821), (27, 7728591), (39, 5350563), (51, 4091607), (81, 2576197), (117, 1783521), (153, 1363869), (221, 944217), (351, 594507), (459, 454623), (663, 314739), (1053, 198169), (1377, 151541), (1989, 104913), (5967, 34971), (11657, 17901)]