3990981

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 5539968

約数和(自身を除く): 1548987

約数列:

[1, 3, 41, 71, 123, 213, 457, 1371, 2911, 8733, 18737, 32447, 56211, 97341, 1330327, 3990981]

約数ペア:

[(1, 3990981), (3, 1330327), (41, 97341), (71, 56211), (123, 32447), (213, 18737), (457, 8733), (1371, 2911)]