51391809

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2903}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 85168512

約数和(自身を除く): 33776703

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1967, 2529, 2903, 5901, 8709, 17703, 20321, 26127, 60963, 182889, 815743, 2447229, 5710201, 7341687, 17130603, 51391809]

約数ペア:

[(1, 51391809), (3, 17130603), (7, 7341687), (9, 5710201), (21, 2447229), (63, 815743), (281, 182889), (843, 60963), (1967, 26127), (2529, 20321), (2903, 17703), (5901, 8709)]