3993549

素因数分解:

$3^1\times 7^3\times {\mathrm{3881}}^1$

素因数の和:3905

約数の個数: 16

約数和(自身を含む): 6211200

約数和(自身を除く): 2217651

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 3881, 11643, 27167, 81501, 190169, 570507, 1331183, 3993549]

約数ペア:

[(1, 3993549), (3, 1331183), (7, 570507), (21, 190169), (49, 81501), (147, 27167), (343, 11643), (1029, 3881)]