27987869

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 35766360

約数和(自身を除く): 7778491

約数列:

[1, 7, 13, 49, 53, 91, 371, 637, 689, 829, 2597, 4823, 5803, 10777, 33761, 40621, 43937, 75439, 307559, 528073, 571181, 2152913, 3998267, 27987869]

約数ペア:

[(1, 27987869), (7, 3998267), (13, 2152913), (49, 571181), (53, 528073), (91, 307559), (371, 75439), (637, 43937), (689, 40621), (829, 33761), (2597, 10777), (4823, 5803)]