15981543

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1033}}^1$

素因数の和:1236

約数の個数: 20

約数和(自身を含む): 24021888

約数和(自身を除く): 8040345

約数列:

[1, 3, 9, 27, 81, 191, 573, 1033, 1719, 3099, 5157, 9297, 15471, 27891, 83673, 197303, 591909, 1775727, 5327181, 15981543]

約数ペア:

[(1, 15981543), (3, 5327181), (9, 1775727), (27, 591909), (81, 197303), (191, 83673), (573, 27891), (1033, 15471), (1719, 9297), (3099, 5157)]