7906221

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 11757120

約数和(自身を除く): 3850899

約数列:

[1, 3, 9, 27, 443, 661, 1329, 1983, 3987, 5949, 11961, 17847, 292823, 878469, 2635407, 7906221]

約数ペア:

[(1, 7906221), (3, 2635407), (9, 878469), (27, 292823), (443, 17847), (661, 11961), (1329, 5949), (1983, 3987)]