51890559

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 84925440

約数和(自身を除く): 33034881

約数列:

[1, 3, 7, 21, 31, 49, 59, 93, 147, 177, 193, 217, 413, 579, 651, 1239, 1351, 1519, 1829, 2891, 4053, 4557, 5487, 5983, 8673, 9457, 11387, 12803, 17949, 28371, 34161, 38409, 41881, 79709, 89621, 125643, 239127, 268863, 293167, 352997, 557963, 879501, 1058991, 1673889, 2470979, 7412937, 17296853, 51890559]

約数ペア:

[(1, 51890559), (3, 17296853), (7, 7412937), (21, 2470979), (31, 1673889), (49, 1058991), (59, 879501), (93, 557963), (147, 352997), (177, 293167), (193, 268863), (217, 239127), (413, 125643), (579, 89621), (651, 79709), (1239, 41881), (1351, 38409), (1519, 34161), (1829, 28371), (2891, 17949), (4053, 12803), (4557, 11387), (5487, 9457), (5983, 8673)]