208889217

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1365289}}^1$

素因数の和:1365312

約数の個数: 12

約数和(自身を含む): 319477860

約数和(自身を除く): 110588643

約数列:

[1, 3, 9, 17, 51, 153, 1365289, 4095867, 12287601, 23209913, 69629739, 208889217]

約数ペア:

[(1, 208889217), (3, 69629739), (9, 23209913), (17, 12287601), (51, 4095867), (153, 1365289)]