81167967

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{17377}}^1$

素因数の和:17559

約数の個数: 16

約数和(自身を含む): 120950880

約数和(自身を除く): 39782913

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 17377, 52131, 156393, 469179, 3006221, 9018663, 27055989, 81167967]

約数ペア:

[(1, 81167967), (3, 27055989), (9, 9018663), (27, 3006221), (173, 469179), (519, 156393), (1557, 52131), (4671, 17377)]