81202457

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{44789}}^1$

素因数の和:44840

約数の個数: 12

約数和(自身を含む): 97015140

約数和(自身を除く): 15812683

約数列:

[1, 7, 37, 49, 259, 1813, 44789, 313523, 1657193, 2194661, 11600351, 81202457]

約数ペア:

[(1, 81202457), (7, 11600351), (37, 2194661), (49, 1657193), (259, 313523), (1813, 44789)]