12720276

素因数分解:

$2^2\times 3^2\times {\mathrm{353341}}^1$

素因数の和:353351

約数の個数: 18

約数和(自身を含む): 32154122

約数和(自身を除く): 19433846

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 353341, 706682, 1060023, 1413364, 2120046, 3180069, 4240092, 6360138, 12720276]

約数ペア:

[(1, 12720276), (2, 6360138), (3, 4240092), (4, 3180069), (6, 2120046), (9, 1413364), (12, 1060023), (18, 706682), (36, 353341)]