7814781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3929}}^1$

素因数の和:3965

約数の個数: 24

約数和(自身を含む): 12874680

約数和(自身を除く): 5059899

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 3929, 11787, 35361, 51077, 66793, 153231, 200379, 459693, 601137, 868309, 2604927, 7814781]

約数ペア:

[(1, 7814781), (3, 2604927), (9, 868309), (13, 601137), (17, 459693), (39, 200379), (51, 153231), (117, 66793), (153, 51077), (221, 35361), (663, 11787), (1989, 3929)]