8004321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 13091988

約数和(自身を除く): 5087667

約数列:

[1, 3, 9, 13, 37, 39, 43, 111, 117, 129, 333, 387, 481, 559, 1443, 1591, 1677, 1849, 4329, 4773, 5031, 5547, 14319, 16641, 20683, 24037, 62049, 68413, 72111, 186147, 205239, 216333, 615717, 889369, 2668107, 8004321]

約数ペア:

[(1, 8004321), (3, 2668107), (9, 889369), (13, 615717), (37, 216333), (39, 205239), (43, 186147), (111, 72111), (117, 68413), (129, 62049), (333, 24037), (387, 20683), (481, 16641), (559, 14319), (1443, 5547), (1591, 5031), (1677, 4773), (1849, 4329)]