2091231

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{1061}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 3143520

約数和(自身を除く): 1052289

約数列:

[1, 3, 9, 27, 73, 219, 657, 1061, 1971, 3183, 9549, 28647, 77453, 232359, 697077, 2091231]

約数ペア:

[(1, 2091231), (3, 697077), (9, 232359), (27, 77453), (73, 28647), (219, 9549), (657, 3183), (1061, 1971)]