81506089

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1597}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 97567488

約数和(自身を除く): 16061399

約数列:

[1, 7, 23, 161, 317, 1597, 2219, 7291, 11179, 36731, 51037, 257117, 506249, 3543743, 11643727, 81506089]

約数ペア:

[(1, 81506089), (7, 11643727), (23, 3543743), (161, 506249), (317, 257117), (1597, 51037), (2219, 36731), (7291, 11179)]