81240399

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{530983}}^1$

素因数の和:531006

約数の個数: 12

約数和(自身を含む): 124250256

約数和(自身を除く): 43009857

約数列:

[1, 3, 9, 17, 51, 153, 530983, 1592949, 4778847, 9026711, 27080133, 81240399]

約数ペア:

[(1, 81240399), (3, 27080133), (9, 9026711), (17, 4778847), (51, 1592949), (153, 530983)]