28505253

素因数分解:

$3^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2411}}^1$

素因数の和:2984

約数の個数: 16

約数和(自身を含む): 43531776

約数和(自身を除く): 15026523

約数列:

[1, 3, 7, 21, 563, 1689, 2411, 3941, 7233, 11823, 16877, 50631, 1357393, 4072179, 9501751, 28505253]

約数ペア:

[(1, 28505253), (3, 9501751), (7, 4072179), (21, 1357393), (563, 50631), (1689, 16877), (2411, 11823), (3941, 7233)]