209008107

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 428212224

約数和(自身を除く): 219204117

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 31, 33, 47, 63, 69, 77, 81, 93, 99, 141, 161, 189, 207, 217, 231, 253, 279, 297, 329, 341, 423, 483, 517, 567, 621, 651, 693, 713, 759, 837, 891, 987, 1023, 1081, 1269, 1449, 1457, 1551, 1771, 1863, 1953, 2079, 2139, 2277, 2387, 2511, 2961, 3069, 3243, 3619, 3807, 4347, 4371, 4653, 4991, 5313, 5859, 6237, 6417, 6831, 7161, 7567, 7843, 8883, 9207, 9729, 10199, 10857, 11891, 13041, 13113, 13959, 14973, 15939, 16027, 17577, 19251, 20493, 21483, 22701, 23529, 26649, 27621, 29187, 30597, 32571, 33511, 35673, 39339, 41877, 44919, 47817, 48081, 54901, 57753, 64449, 68103, 70587, 83237, 87561, 91791, 97713, 100533, 107019, 112189, 118017, 134757, 143451, 144243, 164703, 193347, 204309, 211761, 234577, 249711, 275373, 293139, 301599, 321057, 336567, 368621, 404271, 432729, 494109, 612927, 635283, 703731, 749133, 826119, 904797, 963171, 1009701, 1105863, 1298187, 1482327, 2111193, 2247399, 2580347, 2714391, 3029103, 3317589, 4446981, 6333579, 6742197, 7741041, 9087309, 9952767, 19000737, 23223123, 29858301, 69669369, 209008107]

約数ペア:

[(1, 209008107), (3, 69669369), (7, 29858301), (9, 23223123), (11, 19000737), (21, 9952767), (23, 9087309), (27, 7741041), (31, 6742197), (33, 6333579), (47, 4446981), (63, 3317589), (69, 3029103), (77, 2714391), (81, 2580347), (93, 2247399), (99, 2111193), (141, 1482327), (161, 1298187), (189, 1105863), (207, 1009701), (217, 963171), (231, 904797), (253, 826119), (279, 749133), (297, 703731), (329, 635283), (341, 612927), (423, 494109), (483, 432729), (517, 404271), (567, 368621), (621, 336567), (651, 321057), (693, 301599), (713, 293139), (759, 275373), (837, 249711), (891, 234577), (987, 211761), (1023, 204309), (1081, 193347), (1269, 164703), (1449, 144243), (1457, 143451), (1551, 134757), (1771, 118017), (1863, 112189), (1953, 107019), (2079, 100533), (2139, 97713), (2277, 91791), (2387, 87561), (2511, 83237), (2961, 70587), (3069, 68103), (3243, 64449), (3619, 57753), (3807, 54901), (4347, 48081), (4371, 47817), (4653, 44919), (4991, 41877), (5313, 39339), (5859, 35673), (6237, 33511), (6417, 32571), (6831, 30597), (7161, 29187), (7567, 27621), (7843, 26649), (8883, 23529), (9207, 22701), (9729, 21483), (10199, 20493), (10857, 19251), (11891, 17577), (13041, 16027), (13113, 15939), (13959, 14973)]