289279431

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13789}}^1$

素因数の和:13845

約数の個数: 40

約数和(自身を含む): 507251360

約数和(自身を除く): 217971929

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 13789, 20979, 41367, 96523, 124101, 289569, 372303, 510193, 868707, 1116909, 1530579, 2606121, 3571351, 4591737, 7818363, 10714053, 13775211, 32142159, 41325633, 96426477, 289279431]

約数ペア:

[(1, 289279431), (3, 96426477), (7, 41325633), (9, 32142159), (21, 13775211), (27, 10714053), (37, 7818363), (63, 4591737), (81, 3571351), (111, 2606121), (189, 1530579), (259, 1116909), (333, 868707), (567, 510193), (777, 372303), (999, 289569), (2331, 124101), (2997, 96523), (6993, 41367), (13789, 20979)]