81173939

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13691}}^1$

素因数の和:13727

約数の個数: 18

約数和(自身を含む): 103799052

約数和(自身を除く): 22625113

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 13691, 95837, 150601, 670859, 1054207, 1656611, 7379449, 11596277, 81173939]

約数ペア:

[(1, 81173939), (7, 11596277), (11, 7379449), (49, 1656611), (77, 1054207), (121, 670859), (539, 150601), (847, 95837), (5929, 13691)]