123977147

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 151863552

約数和(自身を除く): 27886405

約数列:

[1, 7, 19, 71, 133, 361, 497, 691, 1349, 2527, 4837, 9443, 13129, 25631, 49061, 91903, 179417, 249451, 343427, 932159, 1746157, 6525113, 17711021, 123977147]

約数ペア:

[(1, 123977147), (7, 17711021), (19, 6525113), (71, 1746157), (133, 932159), (361, 343427), (497, 249451), (691, 179417), (1349, 91903), (2527, 49061), (4837, 25631), (9443, 13129)]