197000991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{221101}}^1$

素因数の和:221124

約数の個数: 20

約数和(自身を含む): 321040104

約数和(自身を除く): 124039113

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 221101, 663303, 1989909, 2432111, 5969727, 7296333, 17909181, 21888999, 65666997, 197000991]

約数ペア:

[(1, 197000991), (3, 65666997), (9, 21888999), (11, 17909181), (27, 7296333), (33, 5969727), (81, 2432111), (99, 1989909), (297, 663303), (891, 221101)]