213491106

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 532224000

約数和(自身を除く): 318732894

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 83, 109, 114, 138, 166, 171, 207, 218, 249, 327, 342, 414, 437, 498, 513, 621, 654, 747, 874, 981, 1026, 1242, 1311, 1494, 1577, 1909, 1962, 2071, 2241, 2507, 2622, 2943, 3154, 3818, 3933, 4142, 4482, 4731, 5014, 5727, 5886, 6213, 7521, 7866, 9047, 9462, 11454, 11799, 12426, 14193, 15042, 17181, 18094, 18639, 22563, 23598, 27141, 28386, 34362, 36271, 37278, 42579, 45126, 47633, 51543, 54282, 55917, 67689, 72542, 81423, 85158, 95266, 103086, 108813, 111834, 135378, 142899, 162846, 171893, 208081, 217626, 244269, 285798, 326439, 343786, 416162, 428697, 488538, 515679, 624243, 652878, 857394, 979317, 1031358, 1248486, 1286091, 1547037, 1872729, 1958634, 2572182, 3094074, 3745458, 3953539, 4641111, 5618187, 7907078, 9282222, 11236374, 11860617, 23721234, 35581851, 71163702, 106745553, 213491106]

約数ペア:

[(1, 213491106), (2, 106745553), (3, 71163702), (6, 35581851), (9, 23721234), (18, 11860617), (19, 11236374), (23, 9282222), (27, 7907078), (38, 5618187), (46, 4641111), (54, 3953539), (57, 3745458), (69, 3094074), (83, 2572182), (109, 1958634), (114, 1872729), (138, 1547037), (166, 1286091), (171, 1248486), (207, 1031358), (218, 979317), (249, 857394), (327, 652878), (342, 624243), (414, 515679), (437, 488538), (498, 428697), (513, 416162), (621, 343786), (654, 326439), (747, 285798), (874, 244269), (981, 217626), (1026, 208081), (1242, 171893), (1311, 162846), (1494, 142899), (1577, 135378), (1909, 111834), (1962, 108813), (2071, 103086), (2241, 95266), (2507, 85158), (2622, 81423), (2943, 72542), (3154, 67689), (3818, 55917), (3933, 54282), (4142, 51543), (4482, 47633), (4731, 45126), (5014, 42579), (5727, 37278), (5886, 36271), (6213, 34362), (7521, 28386), (7866, 27141), (9047, 23598), (9462, 22563), (11454, 18639), (11799, 18094), (12426, 17181), (14193, 15042)]