641121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 975744

約数和(自身を除く): 334623

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 967, 2901, 12571, 16439, 37713, 49317, 213707, 641121]

約数ペア:

[(1, 641121), (3, 213707), (13, 49317), (17, 37713), (39, 16439), (51, 12571), (221, 2901), (663, 967)]