278896609863

素因数分解:

$3^4\times {\mathrm{200569}}^1\times {\mathrm{17167}}^1$

素因数の和:217748

約数の個数: 20

約数和(自身を含む): 416649676960

約数和(自身を除く): 137753067097

約数列:

[1, 3, 9, 27, 81, 17167, 51501, 154503, 200569, 463509, 601707, 1390527, 1805121, 5415363, 16246089, 3443168023, 10329504069, 30988512207, 92965536621, 278896609863]

約数ペア:

[(1, 278896609863), (3, 92965536621), (9, 30988512207), (27, 10329504069), (81, 3443168023), (17167, 16246089), (51501, 5415363), (154503, 1805121), (200569, 1390527), (463509, 601707)]