223311087

素因数分解:

$3^4\times {\mathrm{1321}}^1\times {\mathrm{2087}}^1$

素因数の和:3420

約数の個数: 20

約数和(自身を含む): 334000656

約数和(自身を除く): 110689569

約数列:

[1, 3, 9, 27, 81, 1321, 2087, 3963, 6261, 11889, 18783, 35667, 56349, 107001, 169047, 2756927, 8270781, 24812343, 74437029, 223311087]

約数ペア:

[(1, 223311087), (3, 74437029), (9, 24812343), (27, 8270781), (81, 2756927), (1321, 169047), (2087, 107001), (3963, 56349), (6261, 35667), (11889, 18783)]