27920619

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{4153}}^1$

素因数の和:4248

約数の個数: 20

約数和(自身を含む): 42221256

約数和(自身を除く): 14300637

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 4153, 6723, 12459, 37377, 112131, 336393, 344699, 1034097, 3102291, 9306873, 27920619]

約数ペア:

[(1, 27920619), (3, 9306873), (9, 3102291), (27, 1034097), (81, 344699), (83, 336393), (249, 112131), (747, 37377), (2241, 12459), (4153, 6723)]