199885401

素因数分解:

$3^4\times {\mathrm{769}}^1\times {\mathrm{3209}}^1$

素因数の和:3990

約数の個数: 20

約数和(自身を含む): 299075700

約数和(自身を除く): 99190299

約数列:

[1, 3, 9, 27, 81, 769, 2307, 3209, 6921, 9627, 20763, 28881, 62289, 86643, 259929, 2467721, 7403163, 22209489, 66628467, 199885401]

約数ペア:

[(1, 199885401), (3, 66628467), (9, 22209489), (27, 7403163), (81, 2467721), (769, 259929), (2307, 86643), (3209, 62289), (6921, 28881), (9627, 20763)]