2555657391

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3925741}}^1$

素因数の和:3925782

約数の個数: 16

約数和(自身を含む): 4019959808

約数和(自身を除く): 1464302417

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3925741, 11777223, 27480187, 82440561, 121697971, 365093913, 851885797, 2555657391]

約数ペア:

[(1, 2555657391), (3, 851885797), (7, 365093913), (21, 121697971), (31, 82440561), (93, 27480187), (217, 11777223), (651, 3925741)]