3920833

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 20

約数和(自身を含む): 4840128

約数和(自身を除く): 919295

約数列:

[1, 7, 23, 49, 71, 161, 343, 497, 1127, 1633, 2401, 3479, 7889, 11431, 24353, 55223, 80017, 170471, 560119, 3920833]

約数ペア:

[(1, 3920833), (7, 560119), (23, 170471), (49, 80017), (71, 55223), (161, 24353), (343, 11431), (497, 7889), (1127, 3479), (1633, 2401)]