28578417

素因数分解:

$3^1\times 7^3\times {\mathrm{27773}}^1$

素因数の和:27797

約数の個数: 16

約数和(自身を含む): 44438400

約数和(自身を除く): 15859983

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 27773, 83319, 194411, 583233, 1360877, 4082631, 9526139, 28578417]

約数ペア:

[(1, 28578417), (3, 9526139), (7, 4082631), (21, 1360877), (49, 583233), (147, 194411), (343, 83319), (1029, 27773)]