4247859

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 7485696

約数和(自身を除く): 3237837

約数列:

[1, 3, 7, 11, 21, 33, 37, 49, 71, 77, 111, 147, 213, 231, 259, 407, 497, 539, 777, 781, 1221, 1491, 1617, 1813, 2343, 2627, 2849, 3479, 5439, 5467, 7881, 8547, 10437, 16401, 18389, 19943, 28897, 38269, 55167, 59829, 86691, 114807, 128723, 202279, 386169, 606837, 1415953, 4247859]

約数ペア:

[(1, 4247859), (3, 1415953), (7, 606837), (11, 386169), (21, 202279), (33, 128723), (37, 114807), (49, 86691), (71, 59829), (77, 55167), (111, 38269), (147, 28897), (213, 19943), (231, 18389), (259, 16401), (407, 10437), (497, 8547), (539, 7881), (777, 5467), (781, 5439), (1221, 3479), (1491, 2849), (1617, 2627), (1813, 2343)]