131965519

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2166

約数の個数: 16

約数和(自身を含む): 154838016

約数和(自身を除く): 22872497

約数列:

[1, 7, 47, 211, 329, 1477, 1901, 9917, 13307, 69419, 89347, 401111, 625429, 2807777, 18852217, 131965519]

約数ペア:

[(1, 131965519), (7, 18852217), (47, 2807777), (211, 625429), (329, 401111), (1477, 89347), (1901, 69419), (9917, 13307)]