12981276

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 42900480

約数和(自身を除く): 29919204

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 84, 98, 99, 108, 126, 132, 147, 154, 189, 196, 198, 223, 231, 252, 294, 297, 308, 378, 396, 441, 446, 462, 539, 588, 594, 669, 693, 756, 882, 892, 924, 1078, 1188, 1323, 1338, 1386, 1561, 1617, 1764, 2007, 2079, 2156, 2453, 2646, 2676, 2772, 3122, 3234, 4014, 4158, 4683, 4851, 4906, 5292, 6021, 6244, 6468, 7359, 8028, 8316, 9366, 9702, 9812, 10927, 12042, 14049, 14553, 14718, 17171, 18732, 19404, 21854, 22077, 24084, 28098, 29106, 29436, 32781, 34342, 42147, 43708, 44154, 51513, 56196, 58212, 65562, 66231, 68684, 84294, 88308, 98343, 103026, 120197, 131124, 132462, 154539, 168588, 196686, 206052, 240394, 264924, 295029, 309078, 360591, 393372, 463617, 480788, 590058, 618156, 721182, 927234, 1081773, 1180116, 1442364, 1854468, 2163546, 3245319, 4327092, 6490638, 12981276]

約数ペア:

[(1, 12981276), (2, 6490638), (3, 4327092), (4, 3245319), (6, 2163546), (7, 1854468), (9, 1442364), (11, 1180116), (12, 1081773), (14, 927234), (18, 721182), (21, 618156), (22, 590058), (27, 480788), (28, 463617), (33, 393372), (36, 360591), (42, 309078), (44, 295029), (49, 264924), (54, 240394), (63, 206052), (66, 196686), (77, 168588), (84, 154539), (98, 132462), (99, 131124), (108, 120197), (126, 103026), (132, 98343), (147, 88308), (154, 84294), (189, 68684), (196, 66231), (198, 65562), (223, 58212), (231, 56196), (252, 51513), (294, 44154), (297, 43708), (308, 42147), (378, 34342), (396, 32781), (441, 29436), (446, 29106), (462, 28098), (539, 24084), (588, 22077), (594, 21854), (669, 19404), (693, 18732), (756, 17171), (882, 14718), (892, 14553), (924, 14049), (1078, 12042), (1188, 10927), (1323, 9812), (1338, 9702), (1386, 9366), (1561, 8316), (1617, 8028), (1764, 7359), (2007, 6468), (2079, 6244), (2156, 6021), (2453, 5292), (2646, 4906), (2676, 4851), (2772, 4683), (3122, 4158), (3234, 4014)]