168909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 16

約数和(自身を含む): 249984

約数和(自身を除く): 81075

約数列:

[1, 3, 13, 39, 61, 71, 183, 213, 793, 923, 2379, 2769, 4331, 12993, 56303, 168909]

約数ペア:

[(1, 168909), (3, 56303), (13, 12993), (39, 4331), (61, 2769), (71, 2379), (183, 923), (213, 793)]