56814009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{142391}}^1$

素因数の和:142420

約数の個数: 16

約数和(自身を含む): 91130880

約数和(自身を除く): 34316871

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 142391, 427173, 996737, 2705429, 2990211, 8116287, 18938003, 56814009]

約数ペア:

[(1, 56814009), (3, 18938003), (7, 8116287), (19, 2990211), (21, 2705429), (57, 996737), (133, 427173), (399, 142391)]