12400143

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15959}}^1$

素因数の和:16006

約数の個数: 16

約数和(自身を含む): 19407360

約数和(自身を除く): 7007217

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 15959, 47877, 111713, 335139, 590483, 1771449, 4133381, 12400143]

約数ペア:

[(1, 12400143), (3, 4133381), (7, 1771449), (21, 590483), (37, 335139), (111, 111713), (259, 47877), (777, 15959)]