57156921

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37139}}^1$

素因数の和:37170

約数の個数: 20

約数和(自身を含む): 89878800

約数和(自身を除く): 32721879

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 37139, 111417, 334251, 705641, 1002753, 2116923, 3008259, 6350769, 19052307, 57156921]

約数ペア:

[(1, 57156921), (3, 19052307), (9, 6350769), (19, 3008259), (27, 2116923), (57, 1002753), (81, 705641), (171, 334251), (513, 111417), (1539, 37139)]