206943975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 459613440

約数和(自身を除く): 252669465

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 59, 63, 75, 85, 105, 119, 131, 153, 175, 177, 225, 255, 295, 315, 357, 393, 413, 425, 525, 531, 595, 655, 765, 885, 917, 1003, 1071, 1179, 1239, 1275, 1475, 1575, 1785, 1965, 2065, 2227, 2655, 2751, 2975, 3009, 3275, 3717, 3825, 4425, 4585, 5015, 5355, 5895, 6195, 6681, 7021, 7729, 8253, 8925, 9027, 9825, 10325, 11135, 13275, 13755, 15045, 15589, 18585, 20043, 21063, 22925, 23187, 25075, 26775, 29475, 30975, 33405, 35105, 38645, 41265, 45135, 46767, 54103, 55675, 63189, 68775, 69561, 75225, 77945, 92925, 100215, 105315, 115935, 131393, 140301, 162309, 167025, 175525, 193225, 206325, 225675, 233835, 270515, 315945, 347805, 389725, 394179, 486927, 501075, 526575, 579675, 656965, 701505, 811545, 919751, 1169175, 1182537, 1352575, 1579725, 1739025, 1970895, 2434635, 2759253, 3284825, 3507525, 4057725, 4598755, 5912685, 8277759, 9854475, 12173175, 13796265, 22993775, 29563425, 41388795, 68981325, 206943975]

約数ペア:

[(1, 206943975), (3, 68981325), (5, 41388795), (7, 29563425), (9, 22993775), (15, 13796265), (17, 12173175), (21, 9854475), (25, 8277759), (35, 5912685), (45, 4598755), (51, 4057725), (59, 3507525), (63, 3284825), (75, 2759253), (85, 2434635), (105, 1970895), (119, 1739025), (131, 1579725), (153, 1352575), (175, 1182537), (177, 1169175), (225, 919751), (255, 811545), (295, 701505), (315, 656965), (357, 579675), (393, 526575), (413, 501075), (425, 486927), (525, 394179), (531, 389725), (595, 347805), (655, 315945), (765, 270515), (885, 233835), (917, 225675), (1003, 206325), (1071, 193225), (1179, 175525), (1239, 167025), (1275, 162309), (1475, 140301), (1575, 131393), (1785, 115935), (1965, 105315), (2065, 100215), (2227, 92925), (2655, 77945), (2751, 75225), (2975, 69561), (3009, 68775), (3275, 63189), (3717, 55675), (3825, 54103), (4425, 46767), (4585, 45135), (5015, 41265), (5355, 38645), (5895, 35105), (6195, 33405), (6681, 30975), (7021, 29475), (7729, 26775), (8253, 25075), (8925, 23187), (9027, 22925), (9825, 21063), (10325, 20043), (11135, 18585), (13275, 15589), (13755, 15045)]