81587301

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 116561760

約数和(自身を除く): 34974459

約数列:

[1, 3, 17, 51, 139, 289, 417, 677, 867, 2031, 2363, 7089, 11509, 34527, 40171, 94103, 120513, 195653, 282309, 586959, 1599751, 4799253, 27195767, 81587301]

約数ペア:

[(1, 81587301), (3, 27195767), (17, 4799253), (51, 1599751), (139, 586959), (289, 282309), (417, 195653), (677, 120513), (867, 94103), (2031, 40171), (2363, 34527), (7089, 11509)]