921699378

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 2269347840

約数和(自身を除く): 1347648462

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 31, 37, 46, 54, 62, 69, 74, 93, 111, 138, 186, 207, 222, 279, 333, 414, 558, 621, 647, 666, 713, 837, 851, 999, 1147, 1242, 1294, 1426, 1674, 1702, 1941, 1998, 2139, 2294, 2553, 3441, 3882, 4278, 5106, 5823, 6417, 6882, 7659, 10323, 11646, 12834, 14881, 15318, 17469, 19251, 20057, 20646, 22977, 23939, 26381, 29762, 30969, 34938, 38502, 40114, 44643, 45954, 47878, 52762, 60171, 61938, 71817, 79143, 89286, 120342, 133929, 143634, 158286, 180513, 215451, 237429, 267858, 361026, 401787, 430902, 461311, 474858, 541539, 550597, 646353, 712287, 742109, 803574, 922622, 1083078, 1101194, 1292706, 1383933, 1424574, 1484218, 1651791, 2226327, 2767866, 3303582, 4151799, 4452654, 4955373, 6678981, 8303598, 9910746, 12455397, 13357962, 14866119, 17068507, 20036943, 24910794, 29732238, 34137014, 40073886, 51205521, 102411042, 153616563, 307233126, 460849689, 921699378]

約数ペア:

[(1, 921699378), (2, 460849689), (3, 307233126), (6, 153616563), (9, 102411042), (18, 51205521), (23, 40073886), (27, 34137014), (31, 29732238), (37, 24910794), (46, 20036943), (54, 17068507), (62, 14866119), (69, 13357962), (74, 12455397), (93, 9910746), (111, 8303598), (138, 6678981), (186, 4955373), (207, 4452654), (222, 4151799), (279, 3303582), (333, 2767866), (414, 2226327), (558, 1651791), (621, 1484218), (647, 1424574), (666, 1383933), (713, 1292706), (837, 1101194), (851, 1083078), (999, 922622), (1147, 803574), (1242, 742109), (1294, 712287), (1426, 646353), (1674, 550597), (1702, 541539), (1941, 474858), (1998, 461311), (2139, 430902), (2294, 401787), (2553, 361026), (3441, 267858), (3882, 237429), (4278, 215451), (5106, 180513), (5823, 158286), (6417, 143634), (6882, 133929), (7659, 120342), (10323, 89286), (11646, 79143), (12834, 71817), (14881, 61938), (15318, 60171), (17469, 52762), (19251, 47878), (20057, 45954), (20646, 44643), (22977, 40114), (23939, 38502), (26381, 34938), (29762, 30969)]