207778725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 473541120

約数和(自身を除く): 265762395

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 67, 75, 77, 99, 105, 165, 175, 179, 201, 225, 231, 275, 315, 335, 385, 469, 495, 525, 537, 603, 693, 737, 825, 895, 1005, 1155, 1253, 1407, 1575, 1611, 1675, 1925, 1969, 2211, 2345, 2475, 2685, 3015, 3465, 3685, 3759, 4221, 4475, 5025, 5159, 5775, 5907, 6265, 6633, 7035, 8055, 9845, 11055, 11277, 11725, 11993, 13425, 13783, 15075, 15477, 17325, 17721, 18425, 18795, 21105, 25795, 29535, 31325, 33165, 35175, 35979, 40275, 41349, 46431, 49225, 55275, 56385, 59965, 68915, 77385, 83951, 88605, 93975, 105525, 107937, 124047, 128975, 131923, 147675, 165825, 179895, 206745, 232155, 251853, 281925, 299825, 344575, 386925, 395769, 419755, 443025, 539685, 620235, 659615, 755559, 899475, 923461, 1033725, 1160775, 1187307, 1259265, 1978845, 2098775, 2698425, 2770383, 3101175, 3298075, 3777795, 4617305, 5936535, 6296325, 8311149, 9894225, 13851915, 18888975, 23086525, 29682675, 41555745, 69259575, 207778725]

約数ペア:

[(1, 207778725), (3, 69259575), (5, 41555745), (7, 29682675), (9, 23086525), (11, 18888975), (15, 13851915), (21, 9894225), (25, 8311149), (33, 6296325), (35, 5936535), (45, 4617305), (55, 3777795), (63, 3298075), (67, 3101175), (75, 2770383), (77, 2698425), (99, 2098775), (105, 1978845), (165, 1259265), (175, 1187307), (179, 1160775), (201, 1033725), (225, 923461), (231, 899475), (275, 755559), (315, 659615), (335, 620235), (385, 539685), (469, 443025), (495, 419755), (525, 395769), (537, 386925), (603, 344575), (693, 299825), (737, 281925), (825, 251853), (895, 232155), (1005, 206745), (1155, 179895), (1253, 165825), (1407, 147675), (1575, 131923), (1611, 128975), (1675, 124047), (1925, 107937), (1969, 105525), (2211, 93975), (2345, 88605), (2475, 83951), (2685, 77385), (3015, 68915), (3465, 59965), (3685, 56385), (3759, 55275), (4221, 49225), (4475, 46431), (5025, 41349), (5159, 40275), (5775, 35979), (5907, 35175), (6265, 33165), (6633, 31325), (7035, 29535), (8055, 25795), (9845, 21105), (11055, 18795), (11277, 18425), (11725, 17721), (11993, 17325), (13425, 15477), (13783, 15075)]