278318007

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{33871}}^1$

素因数の和:33971

約数の個数: 24

約数和(自身を含む): 443858688

約数和(自身を除く): 165540681

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 2739, 8217, 33871, 101613, 304839, 372581, 1117743, 2811293, 3353229, 8433879, 25301637, 30924223, 92772669, 278318007]

約数ペア:

[(1, 278318007), (3, 92772669), (9, 30924223), (11, 25301637), (33, 8433879), (83, 3353229), (99, 2811293), (249, 1117743), (747, 372581), (913, 304839), (2739, 101613), (8217, 33871)]