2116721187

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:318

約数の個数: 128

約数和(自身を含む): 3941498880

約数和(自身を除く): 1824777693

約数列:

[1, 3, 7, 9, 17, 21, 27, 47, 51, 63, 107, 119, 131, 141, 153, 189, 321, 329, 357, 393, 423, 459, 749, 799, 917, 963, 987, 1071, 1179, 1269, 1819, 2227, 2247, 2397, 2751, 2889, 2961, 3213, 3537, 5029, 5457, 5593, 6157, 6681, 6741, 7191, 8253, 8883, 12733, 14017, 15087, 15589, 16371, 16779, 18471, 20043, 20223, 21573, 24759, 35203, 38199, 42051, 43099, 45261, 46767, 49113, 50337, 55413, 60129, 85493, 98119, 104669, 105609, 114597, 126153, 129297, 135783, 140301, 151011, 166239, 238289, 256479, 294357, 314007, 316827, 343791, 378459, 387891, 420903, 598451, 658799, 714867, 732683, 769437, 883071, 942021, 950481, 1163673, 1668023, 1795353, 1976397, 2144601, 2198049, 2308311, 2649213, 2826063, 4611593, 5004069, 5386059, 5929191, 6433803, 6594147, 11199583, 13834779, 15012207, 16158177, 17787573, 19782441, 33598749, 41504337, 45036621, 78397081, 100796247, 124513011, 235191243, 302388741, 705573729, 2116721187]

約数ペア:

[(1, 2116721187), (3, 705573729), (7, 302388741), (9, 235191243), (17, 124513011), (21, 100796247), (27, 78397081), (47, 45036621), (51, 41504337), (63, 33598749), (107, 19782441), (119, 17787573), (131, 16158177), (141, 15012207), (153, 13834779), (189, 11199583), (321, 6594147), (329, 6433803), (357, 5929191), (393, 5386059), (423, 5004069), (459, 4611593), (749, 2826063), (799, 2649213), (917, 2308311), (963, 2198049), (987, 2144601), (1071, 1976397), (1179, 1795353), (1269, 1668023), (1819, 1163673), (2227, 950481), (2247, 942021), (2397, 883071), (2751, 769437), (2889, 732683), (2961, 714867), (3213, 658799), (3537, 598451), (5029, 420903), (5457, 387891), (5593, 378459), (6157, 343791), (6681, 316827), (6741, 314007), (7191, 294357), (8253, 256479), (8883, 238289), (12733, 166239), (14017, 151011), (15087, 140301), (15589, 135783), (16371, 129297), (16779, 126153), (18471, 114597), (20043, 105609), (20223, 104669), (21573, 98119), (24759, 85493), (35203, 60129), (38199, 55413), (42051, 50337), (43099, 49113), (45261, 46767)]