81786089

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{55903}}^1$

素因数の和:55940

約数の個数: 16

約数和(自身を含む): 107335680

約数和(自身を除く): 25549591

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 55903, 391321, 614933, 1062157, 4304531, 7435099, 11683727, 81786089]

約数ペア:

[(1, 81786089), (7, 11683727), (11, 7435099), (19, 4304531), (77, 1062157), (133, 614933), (209, 391321), (1463, 55903)]