207689839

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{18169}}^1$

素因数の和:18270

約数の個数: 16

約数和(自身を含む): 251182080

約数和(自身を除く): 43492241

約数列:

[1, 7, 23, 71, 161, 497, 1633, 11431, 18169, 127183, 417887, 1289999, 2925209, 9029993, 29669977, 207689839]

約数ペア:

[(1, 207689839), (7, 29669977), (23, 9029993), (71, 2925209), (161, 1289999), (497, 417887), (1633, 127183), (11431, 18169)]