129814321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{6397}}^1$

素因数の和:6640

約数の個数: 16

約数和(自身を含む): 160513024

約数和(自身を除く): 30698703

約数列:

[1, 7, 13, 91, 223, 1561, 2899, 6397, 20293, 44779, 83161, 582127, 1426531, 9985717, 18544903, 129814321]

約数ペア:

[(1, 129814321), (7, 18544903), (13, 9985717), (91, 1426531), (223, 582127), (1561, 83161), (2899, 44779), (6397, 20293)]