81331419

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{8443}}^1$

素因数の和:8491

約数の個数: 24

約数和(自身を含む): 123620160

約数和(自身を除く): 42288741

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 3211, 8443, 9633, 25329, 109759, 160417, 329277, 481251, 1426867, 2085421, 4280601, 6256263, 27110473, 81331419]

約数ペア:

[(1, 81331419), (3, 27110473), (13, 6256263), (19, 4280601), (39, 2085421), (57, 1426867), (169, 481251), (247, 329277), (507, 160417), (741, 109759), (3211, 25329), (8443, 9633)]