28523259

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{887}}^1$

素因数の和:1296

約数の個数: 20

約数和(自身を含む): 42764304

約数和(自身を除く): 14241045

約数列:

[1, 3, 9, 27, 81, 397, 887, 1191, 2661, 3573, 7983, 10719, 23949, 32157, 71847, 352139, 1056417, 3169251, 9507753, 28523259]

約数ペア:

[(1, 28523259), (3, 9507753), (9, 3169251), (27, 1056417), (81, 352139), (397, 71847), (887, 32157), (1191, 23949), (2661, 10719), (3573, 7983)]