8721621

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{1019}}^1$

素因数の和:1345

約数の個数: 16

約数和(自身を含む): 12974400

約数和(自身を除く): 4252779

約数列:

[1, 3, 9, 27, 317, 951, 1019, 2853, 3057, 8559, 9171, 27513, 323023, 969069, 2907207, 8721621]

約数ペア:

[(1, 8721621), (3, 2907207), (9, 969069), (27, 323023), (317, 27513), (951, 9171), (1019, 8559), (2853, 3057)]