166397745

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257981}}^1$

素因数の和:258032

約数の個数: 16

約数和(自身を含む): 272428992

約数和(自身を除く): 106031247

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 257981, 773943, 1289905, 3869715, 11093183, 33279549, 55465915, 166397745]

約数ペア:

[(1, 166397745), (3, 55465915), (5, 33279549), (15, 11093183), (43, 3869715), (129, 1289905), (215, 773943), (645, 257981)]