81333336

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 257402880

約数和(自身を除く): 176069544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 31, 42, 46, 49, 56, 62, 69, 84, 92, 93, 97, 98, 124, 138, 147, 161, 168, 184, 186, 194, 196, 217, 248, 276, 291, 294, 322, 372, 388, 392, 434, 483, 552, 582, 588, 644, 651, 679, 713, 744, 776, 868, 966, 1127, 1164, 1176, 1288, 1302, 1358, 1426, 1519, 1736, 1932, 2037, 2139, 2231, 2254, 2328, 2604, 2716, 2852, 3007, 3038, 3381, 3864, 4074, 4278, 4462, 4508, 4557, 4753, 4991, 5208, 5432, 5704, 6014, 6076, 6693, 6762, 8148, 8556, 8924, 9016, 9021, 9114, 9506, 9982, 12028, 12152, 13386, 13524, 14259, 14973, 15617, 16296, 17112, 17848, 18042, 18228, 19012, 19964, 21049, 24056, 26772, 27048, 28518, 29946, 31234, 34937, 36084, 36456, 38024, 39928, 42098, 46851, 53544, 57036, 59892, 62468, 63147, 69161, 69874, 72168, 84196, 93702, 104811, 109319, 114072, 119784, 124936, 126294, 138322, 139748, 147343, 168392, 187404, 207483, 209622, 218638, 252588, 276644, 279496, 294686, 327957, 374808, 414966, 419244, 437276, 442029, 484127, 505176, 553288, 589372, 655914, 829932, 838488, 874552, 884058, 968254, 1178744, 1311828, 1452381, 1659864, 1768116, 1936508, 2623656, 2904762, 3388889, 3536232, 3873016, 5809524, 6777778, 10166667, 11619048, 13555556, 20333334, 27111112, 40666668, 81333336]

約数ペア:

[(1, 81333336), (2, 40666668), (3, 27111112), (4, 20333334), (6, 13555556), (7, 11619048), (8, 10166667), (12, 6777778), (14, 5809524), (21, 3873016), (23, 3536232), (24, 3388889), (28, 2904762), (31, 2623656), (42, 1936508), (46, 1768116), (49, 1659864), (56, 1452381), (62, 1311828), (69, 1178744), (84, 968254), (92, 884058), (93, 874552), (97, 838488), (98, 829932), (124, 655914), (138, 589372), (147, 553288), (161, 505176), (168, 484127), (184, 442029), (186, 437276), (194, 419244), (196, 414966), (217, 374808), (248, 327957), (276, 294686), (291, 279496), (294, 276644), (322, 252588), (372, 218638), (388, 209622), (392, 207483), (434, 187404), (483, 168392), (552, 147343), (582, 139748), (588, 138322), (644, 126294), (651, 124936), (679, 119784), (713, 114072), (744, 109319), (776, 104811), (868, 93702), (966, 84196), (1127, 72168), (1164, 69874), (1176, 69161), (1288, 63147), (1302, 62468), (1358, 59892), (1426, 57036), (1519, 53544), (1736, 46851), (1932, 42098), (2037, 39928), (2139, 38024), (2231, 36456), (2254, 36084), (2328, 34937), (2604, 31234), (2716, 29946), (2852, 28518), (3007, 27048), (3038, 26772), (3381, 24056), (3864, 21049), (4074, 19964), (4278, 19012), (4462, 18228), (4508, 18042), (4557, 17848), (4753, 17112), (4991, 16296), (5208, 15617), (5432, 14973), (5704, 14259), (6014, 13524), (6076, 13386), (6693, 12152), (6762, 12028), (8148, 9982), (8556, 9506), (8924, 9114), (9016, 9021)]