172020177

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{13721}}^1$

素因数の和:13933

約数の個数: 24

約数和(自身を含む): 285417600

約数和(自身を除く): 113397423

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 13721, 41163, 96047, 123489, 288141, 864423, 2730479, 8191437, 19113353, 24574311, 57340059, 172020177]

約数ペア:

[(1, 172020177), (3, 57340059), (7, 24574311), (9, 19113353), (21, 8191437), (63, 2730479), (199, 864423), (597, 288141), (1393, 123489), (1791, 96047), (4179, 41163), (12537, 13721)]