2170581

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2521}}^1$

素因数の和:2572

約数の個数: 16

約数和(自身を含む): 3389568

約数和(自身を除く): 1218987

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 2521, 7563, 17647, 52941, 103361, 310083, 723527, 2170581]

約数ペア:

[(1, 2170581), (3, 723527), (7, 310083), (21, 103361), (41, 52941), (123, 17647), (287, 7563), (861, 2521)]