61819947

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4931}}^1$

素因数の和:5143

約数の個数: 24

約数和(自身を含む): 102585600

約数和(自身を除く): 40765653

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 4931, 12537, 14793, 34517, 44379, 103551, 310653, 981269, 2943807, 6868883, 8831421, 20606649, 61819947]

約数ペア:

[(1, 61819947), (3, 20606649), (7, 8831421), (9, 6868883), (21, 2943807), (63, 981269), (199, 310653), (597, 103551), (1393, 44379), (1791, 34517), (4179, 14793), (4931, 12537)]