28304133

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3881}}^1$

素因数の和:3925

約数の個数: 32

約数和(自身を含む): 46956672

約数和(自身を除く): 18652539

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 3881, 7293, 11643, 42691, 50453, 65977, 128073, 151359, 197931, 554983, 725747, 857701, 1664949, 2177241, 2573103, 9434711, 28304133]

約数ペア:

[(1, 28304133), (3, 9434711), (11, 2573103), (13, 2177241), (17, 1664949), (33, 857701), (39, 725747), (51, 554983), (143, 197931), (187, 151359), (221, 128073), (429, 65977), (561, 50453), (663, 42691), (2431, 11643), (3881, 7293)]