291213927

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13499}}^1$

素因数の和:13572

約数の個数: 32

約数和(自身を含む): 466560000

約数和(自身を除く): 175346073

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 1269, 2397, 7191, 13499, 21573, 40497, 121491, 229483, 364473, 634453, 688449, 1903359, 2065347, 5710077, 6196041, 10785701, 17130231, 32357103, 97071309, 291213927]

約数ペア:

[(1, 291213927), (3, 97071309), (9, 32357103), (17, 17130231), (27, 10785701), (47, 6196041), (51, 5710077), (141, 2065347), (153, 1903359), (423, 688449), (459, 634453), (799, 364473), (1269, 229483), (2397, 121491), (7191, 40497), (13499, 21573)]