38880081

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{12973}}^1$

素因数の和:13022

約数の個数: 20

約数和(自身を含む): 59654452

約数和(自身を除く): 20774371

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 12973, 38919, 116757, 350271, 480001, 1050813, 1440003, 4320009, 12960027, 38880081]

約数ペア:

[(1, 38880081), (3, 12960027), (9, 4320009), (27, 1440003), (37, 1050813), (81, 480001), (111, 350271), (333, 116757), (999, 38919), (2997, 12973)]