2218023

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 20

約数和(自身を含む): 3354120

約数和(自身を除く): 1136097

約数列:

[1, 3, 9, 27, 81, 139, 197, 417, 591, 1251, 1773, 3753, 5319, 11259, 15957, 27383, 82149, 246447, 739341, 2218023]

約数ペア:

[(1, 2218023), (3, 739341), (9, 246447), (27, 82149), (81, 27383), (139, 15957), (197, 11259), (417, 5319), (591, 3753), (1251, 1773)]