128412243

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{206783}}^1$

素因数の和:206815

約数の個数: 16

約数和(自身を含む): 198512640

約数和(自身を除く): 70100397

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 206783, 620349, 1861047, 4756009, 5583141, 14268027, 42804081, 128412243]

約数ペア:

[(1, 128412243), (3, 42804081), (9, 14268027), (23, 5583141), (27, 4756009), (69, 1861047), (207, 620349), (621, 206783)]