1279638081

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{426973}}^1$

素因数の和:427022

約数の個数: 20

約数和(自身を含む): 1963226452

約数和(自身を除く): 683588371

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 426973, 1280919, 3842757, 11528271, 15798001, 34584813, 47394003, 142182009, 426546027, 1279638081]

約数ペア:

[(1, 1279638081), (3, 426546027), (9, 142182009), (27, 47394003), (37, 34584813), (81, 15798001), (111, 11528271), (333, 3842757), (999, 1280919), (2997, 426973)]