81123714

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 231137280

約数和(自身を除く): 150013566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 31, 42, 43, 46, 49, 54, 62, 63, 69, 86, 93, 98, 126, 129, 138, 147, 161, 186, 189, 207, 217, 258, 279, 294, 301, 322, 378, 387, 414, 434, 441, 483, 558, 602, 621, 651, 713, 774, 837, 882, 903, 966, 989, 1127, 1161, 1242, 1302, 1323, 1333, 1426, 1449, 1519, 1674, 1806, 1953, 1978, 2107, 2139, 2254, 2322, 2646, 2666, 2709, 2898, 2967, 3038, 3381, 3906, 3999, 4214, 4278, 4347, 4557, 4991, 5418, 5859, 5934, 6321, 6417, 6762, 6923, 7998, 8127, 8694, 8901, 9114, 9331, 9982, 10143, 11718, 11997, 12642, 12834, 13671, 13846, 14973, 16254, 17802, 18662, 18963, 19251, 20286, 20769, 23994, 26703, 27342, 27993, 29946, 30429, 30659, 34937, 35991, 37926, 38502, 41013, 41538, 44919, 48461, 53406, 55986, 56889, 60858, 61318, 62307, 65317, 69874, 71982, 82026, 83979, 89838, 91977, 96922, 104811, 113778, 124614, 130634, 134757, 145383, 167958, 183954, 186921, 195951, 209622, 214613, 251937, 269514, 275931, 290766, 314433, 373842, 391902, 429226, 436149, 503874, 551862, 587853, 628866, 643839, 827793, 872298, 943299, 1175706, 1287678, 1308447, 1502291, 1655586, 1763559, 1886598, 1931517, 2616894, 3004582, 3527118, 3863034, 4506873, 5794551, 9013746, 11589102, 13520619, 27041238, 40561857, 81123714]

約数ペア:

[(1, 81123714), (2, 40561857), (3, 27041238), (6, 13520619), (7, 11589102), (9, 9013746), (14, 5794551), (18, 4506873), (21, 3863034), (23, 3527118), (27, 3004582), (31, 2616894), (42, 1931517), (43, 1886598), (46, 1763559), (49, 1655586), (54, 1502291), (62, 1308447), (63, 1287678), (69, 1175706), (86, 943299), (93, 872298), (98, 827793), (126, 643839), (129, 628866), (138, 587853), (147, 551862), (161, 503874), (186, 436149), (189, 429226), (207, 391902), (217, 373842), (258, 314433), (279, 290766), (294, 275931), (301, 269514), (322, 251937), (378, 214613), (387, 209622), (414, 195951), (434, 186921), (441, 183954), (483, 167958), (558, 145383), (602, 134757), (621, 130634), (651, 124614), (713, 113778), (774, 104811), (837, 96922), (882, 91977), (903, 89838), (966, 83979), (989, 82026), (1127, 71982), (1161, 69874), (1242, 65317), (1302, 62307), (1323, 61318), (1333, 60858), (1426, 56889), (1449, 55986), (1519, 53406), (1674, 48461), (1806, 44919), (1953, 41538), (1978, 41013), (2107, 38502), (2139, 37926), (2254, 35991), (2322, 34937), (2646, 30659), (2666, 30429), (2709, 29946), (2898, 27993), (2967, 27342), (3038, 26703), (3381, 23994), (3906, 20769), (3999, 20286), (4214, 19251), (4278, 18963), (4347, 18662), (4557, 17802), (4991, 16254), (5418, 14973), (5859, 13846), (5934, 13671), (6321, 12834), (6417, 12642), (6762, 11997), (6923, 11718), (7998, 10143), (8127, 9982), (8694, 9331), (8901, 9114)]