81090289

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{11171}}^1$

素因数の和:11256

約数の個数: 16

約数和(自身を含む): 99743616

約数和(自身を除く): 18653327

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 11171, 78197, 189907, 681431, 1329349, 4770017, 11584327, 81090289]

約数ペア:

[(1, 81090289), (7, 11584327), (17, 4770017), (61, 1329349), (119, 681431), (427, 189907), (1037, 78197), (7259, 11171)]