138355857

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{9437}}^1$

素因数の和:9630

約数の個数: 20

約数和(自身を含む): 207843636

約数和(自身を除く): 69487779

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 9437, 14661, 28311, 84933, 254799, 764397, 1708097, 5124291, 15372873, 46118619, 138355857]

約数ペア:

[(1, 138355857), (3, 46118619), (9, 15372873), (27, 5124291), (81, 1708097), (181, 764397), (543, 254799), (1629, 84933), (4887, 28311), (9437, 14661)]