208589823

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{198091}}^1$

素因数の和:198116

約数の個数: 20

約数和(自身を含む): 335567848

約数和(自身を除く): 126978025

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 198091, 594273, 1782819, 2575183, 5348457, 7725549, 16045371, 23176647, 69529941, 208589823]

約数ペア:

[(1, 208589823), (3, 69529941), (9, 23176647), (13, 16045371), (27, 7725549), (39, 5348457), (81, 2575183), (117, 1782819), (351, 594273), (1053, 198091)]