208529937

素因数分解:

$3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 414720000

約数和(自身を除く): 206190063

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 49, 63, 69, 77, 89, 99, 147, 161, 189, 207, 231, 253, 267, 297, 343, 441, 483, 539, 621, 623, 693, 759, 801, 979, 1029, 1127, 1323, 1449, 1617, 1771, 1869, 2047, 2079, 2277, 2403, 2937, 3087, 3381, 3773, 4347, 4361, 4851, 5313, 5607, 6141, 6831, 6853, 7889, 8811, 9261, 10143, 11319, 12397, 13083, 14329, 14553, 15939, 16821, 18423, 20559, 22517, 23667, 26433, 30429, 30527, 33957, 37191, 39249, 42987, 47817, 47971, 55269, 61677, 67551, 71001, 86779, 91581, 100303, 101871, 111573, 117747, 128961, 143913, 157619, 185031, 202653, 213003, 260337, 274743, 300909, 334719, 335797, 386883, 431739, 472857, 607959, 702121, 781011, 824229, 902727, 1007391, 1103333, 1295217, 1418571, 2106363, 2343033, 2708181, 3022173, 3309999, 4255713, 6319089, 7723331, 9066519, 9929997, 18957267, 23169993, 29789991, 69509979, 208529937]

約数ペア:

[(1, 208529937), (3, 69509979), (7, 29789991), (9, 23169993), (11, 18957267), (21, 9929997), (23, 9066519), (27, 7723331), (33, 6319089), (49, 4255713), (63, 3309999), (69, 3022173), (77, 2708181), (89, 2343033), (99, 2106363), (147, 1418571), (161, 1295217), (189, 1103333), (207, 1007391), (231, 902727), (253, 824229), (267, 781011), (297, 702121), (343, 607959), (441, 472857), (483, 431739), (539, 386883), (621, 335797), (623, 334719), (693, 300909), (759, 274743), (801, 260337), (979, 213003), (1029, 202653), (1127, 185031), (1323, 157619), (1449, 143913), (1617, 128961), (1771, 117747), (1869, 111573), (2047, 101871), (2079, 100303), (2277, 91581), (2403, 86779), (2937, 71001), (3087, 67551), (3381, 61677), (3773, 55269), (4347, 47971), (4361, 47817), (4851, 42987), (5313, 39249), (5607, 37191), (6141, 33957), (6831, 30527), (6853, 30429), (7889, 26433), (8811, 23667), (9261, 22517), (10143, 20559), (11319, 18423), (12397, 16821), (13083, 15939), (14329, 14553)]