81192213

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{23311}}^1$

素因数の和:23366

約数の個数: 20

約数和(自身を含む): 124113088

約数和(自身を除く): 42920875

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 23311, 69933, 209799, 629397, 1002373, 1888191, 3007119, 9021357, 27064071, 81192213]

約数ペア:

[(1, 81192213), (3, 27064071), (9, 9021357), (27, 3007119), (43, 1888191), (81, 1002373), (129, 629397), (387, 209799), (1161, 69933), (3483, 23311)]