4257657

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 6399360

約数和(自身を除く): 2141703

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 2221, 6663, 19989, 59967, 157691, 473073, 1419219, 4257657]

約数ペア:

[(1, 4257657), (3, 1419219), (9, 473073), (27, 157691), (71, 59967), (213, 19989), (639, 6663), (1917, 2221)]