1215591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 1774080

約数和(自身を除く): 558489

約数列:

[1, 3, 13, 39, 71, 213, 439, 923, 1317, 2769, 5707, 17121, 31169, 93507, 405197, 1215591]

約数ペア:

[(1, 1215591), (3, 405197), (13, 93507), (39, 31169), (71, 17121), (213, 5707), (439, 2769), (923, 1317)]