81128215

素因数分解:

$5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2339}}^1$

素因数の和:3342

約数の個数: 16

約数和(自身を含む): 111421440

約数和(自身を除く): 30293225

約数列:

[1, 5, 7, 35, 991, 2339, 4955, 6937, 11695, 16373, 34685, 81865, 2317949, 11589745, 16225643, 81128215]

約数ペア:

[(1, 81128215), (5, 16225643), (7, 11589745), (35, 2317949), (991, 81865), (2339, 34685), (4955, 16373), (6937, 11695)]