201720869

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{9439}}^1$

素因数の和:9560

約数の個数: 16

約数和(自身を含む): 239247360

約数和(自身を除く): 37526491

約数列:

[1, 7, 43, 71, 301, 497, 3053, 9439, 21371, 66073, 405877, 670169, 2841139, 4691183, 28817267, 201720869]

約数ペア:

[(1, 201720869), (7, 28817267), (43, 4691183), (71, 2841139), (301, 670169), (497, 405877), (3053, 66073), (9439, 21371)]