388996911

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{44059}}^1$

素因数の和:44180

約数の個数: 20

約数和(自身を含む): 586438600

約数和(自身を除く): 197441689

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 44059, 132177, 396531, 1189593, 3568779, 4802431, 14407293, 43221879, 129665637, 388996911]

約数ペア:

[(1, 388996911), (3, 129665637), (9, 43221879), (27, 14407293), (81, 4802431), (109, 3568779), (327, 1189593), (981, 396531), (2943, 132177), (8829, 44059)]