8520147

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 20

約数和(自身を含む): 12806640

約数和(自身を除く): 4286493

約数列:

[1, 3, 9, 27, 81, 293, 359, 879, 1077, 2637, 3231, 7911, 9693, 23733, 29079, 105187, 315561, 946683, 2840049, 8520147]

約数ペア:

[(1, 8520147), (3, 2840049), (9, 946683), (27, 315561), (81, 105187), (293, 29079), (359, 23733), (879, 9693), (1077, 7911), (2637, 3231)]