81455759

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{28591}}^1$

素因数の和:28646

約数の個数: 16

約数和(自身を含む): 104303616

約数和(自身を除く): 22847857

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 28591, 200137, 314501, 1057867, 2201507, 7405069, 11636537, 81455759]

約数ペア:

[(1, 81455759), (7, 11636537), (11, 7405069), (37, 2201507), (77, 1057867), (259, 314501), (407, 200137), (2849, 28591)]