27980685

素因数分解:

$3^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{877}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 48623640

約数和(自身を除く): 20642955

約数列:

[1, 3, 5, 9, 15, 45, 709, 877, 2127, 2631, 3545, 4385, 6381, 7893, 10635, 13155, 31905, 39465, 621793, 1865379, 3108965, 5596137, 9326895, 27980685]

約数ペア:

[(1, 27980685), (3, 9326895), (5, 5596137), (9, 3108965), (15, 1865379), (45, 621793), (709, 39465), (877, 31905), (2127, 13155), (2631, 10635), (3545, 7893), (4385, 6381)]