208994175

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 442377936

約数和(自身を除く): 233383761

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 65, 75, 81, 85, 117, 135, 153, 195, 221, 225, 255, 325, 351, 405, 425, 459, 467, 585, 663, 675, 765, 975, 1053, 1105, 1275, 1377, 1401, 1755, 1989, 2025, 2295, 2335, 2925, 3315, 3825, 4203, 5265, 5525, 5967, 6071, 6885, 7005, 7939, 8775, 9945, 11475, 11675, 12609, 16575, 17901, 18213, 21015, 23817, 26325, 29835, 30355, 34425, 35025, 37827, 39695, 49725, 54639, 63045, 71451, 89505, 91065, 103207, 105075, 119085, 149175, 151775, 163917, 189135, 198475, 214353, 273195, 309621, 315225, 357255, 447525, 455325, 491751, 516035, 595425, 643059, 819585, 928863, 945675, 1071765, 1365975, 1548105, 1786275, 2458755, 2580175, 2786589, 3215295, 4097925, 4644315, 5358825, 7740525, 8359767, 12293775, 13932945, 16076475, 23221575, 41798835, 69664725, 208994175]

約数ペア:

[(1, 208994175), (3, 69664725), (5, 41798835), (9, 23221575), (13, 16076475), (15, 13932945), (17, 12293775), (25, 8359767), (27, 7740525), (39, 5358825), (45, 4644315), (51, 4097925), (65, 3215295), (75, 2786589), (81, 2580175), (85, 2458755), (117, 1786275), (135, 1548105), (153, 1365975), (195, 1071765), (221, 945675), (225, 928863), (255, 819585), (325, 643059), (351, 595425), (405, 516035), (425, 491751), (459, 455325), (467, 447525), (585, 357255), (663, 315225), (675, 309621), (765, 273195), (975, 214353), (1053, 198475), (1105, 189135), (1275, 163917), (1377, 151775), (1401, 149175), (1755, 119085), (1989, 105075), (2025, 103207), (2295, 91065), (2335, 89505), (2925, 71451), (3315, 63045), (3825, 54639), (4203, 49725), (5265, 39695), (5525, 37827), (5967, 35025), (6071, 34425), (6885, 30355), (7005, 29835), (7939, 26325), (8775, 23817), (9945, 21015), (11475, 18213), (11675, 17901), (12609, 16575)]