21943143

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 33346768

約数和(自身を除く): 11403625

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1237, 1971, 3711, 5913, 11133, 17739, 33399, 90301, 100197, 270903, 300591, 812709, 2438127, 7314381, 21943143]

約数ペア:

[(1, 21943143), (3, 7314381), (9, 2438127), (27, 812709), (73, 300591), (81, 270903), (219, 100197), (243, 90301), (657, 33399), (1237, 17739), (1971, 11133), (3711, 5913)]