209086947

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{22189}}^1$

素因数の和:22547

約数の個数: 16

約数和(自身を含む): 310660000

約数和(自身を除く): 101573053

約数列:

[1, 3, 9, 27, 349, 1047, 3141, 9423, 22189, 66567, 199701, 599103, 7743961, 23231883, 69695649, 209086947]

約数ペア:

[(1, 209086947), (3, 69695649), (9, 23231883), (27, 7743961), (349, 599103), (1047, 199701), (3141, 66567), (9423, 22189)]