9981063

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:988

約数の個数: 20

約数和(自身を含む): 15028200

約数和(自身を除く): 5047137

約数列:

[1, 3, 9, 27, 81, 149, 447, 827, 1341, 2481, 4023, 7443, 12069, 22329, 66987, 123223, 369669, 1109007, 3327021, 9981063]

約数ペア:

[(1, 9981063), (3, 3327021), (9, 1109007), (27, 369669), (81, 123223), (149, 66987), (447, 22329), (827, 12069), (1341, 7443), (2481, 4023)]