208848686535

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{311}}^1\times {\mathrm{51637}}^1$

素因数の和:51993

約数の個数: 72

約数和(自身を含む): 385795346976

約数和(自身を除く): 176946660441

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 311, 765, 867, 933, 1445, 1555, 2601, 2799, 4335, 4665, 5287, 13005, 13995, 15861, 26435, 47583, 51637, 79305, 89879, 154911, 237915, 258185, 269637, 449395, 464733, 774555, 808911, 877829, 1348185, 2323665, 2633487, 4044555, 4389145, 7900461, 13167435, 14923093, 16059107, 39502305, 44769279, 48177321, 74615465, 80295535, 134307837, 144531963, 223846395, 240886605, 273004819, 671539185, 722659815, 819014457, 1365024095, 2457043371, 4095072285, 4641081923, 12285216855, 13923245769, 23205409615, 41769737307, 69616228845, 208848686535]

約数ペア:

[(1, 208848686535), (3, 69616228845), (5, 41769737307), (9, 23205409615), (15, 13923245769), (17, 12285216855), (45, 4641081923), (51, 4095072285), (85, 2457043371), (153, 1365024095), (255, 819014457), (289, 722659815), (311, 671539185), (765, 273004819), (867, 240886605), (933, 223846395), (1445, 144531963), (1555, 134307837), (2601, 80295535), (2799, 74615465), (4335, 48177321), (4665, 44769279), (5287, 39502305), (13005, 16059107), (13995, 14923093), (15861, 13167435), (26435, 7900461), (47583, 4389145), (51637, 4044555), (79305, 2633487), (89879, 2323665), (154911, 1348185), (237915, 877829), (258185, 808911), (269637, 774555), (449395, 464733)]