208261305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{38891}}^1$

素因数の和:38926

約数の個数: 48

約数和(自身を含む): 436834944

約数和(自身を除く): 228573639

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 38891, 116673, 194455, 272237, 350019, 583365, 661147, 816711, 1361185, 1750095, 1983441, 2450133, 3305735, 4083555, 4628029, 5950323, 9917205, 12250665, 13884087, 23140145, 29751615, 41652261, 69420435, 208261305]

約数ペア:

[(1, 208261305), (3, 69420435), (5, 41652261), (7, 29751615), (9, 23140145), (15, 13884087), (17, 12250665), (21, 9917205), (35, 5950323), (45, 4628029), (51, 4083555), (63, 3305735), (85, 2450133), (105, 1983441), (119, 1750095), (153, 1361185), (255, 816711), (315, 661147), (357, 583365), (595, 350019), (765, 272237), (1071, 194455), (1785, 116673), (5355, 38891)]