12757143

素因数分解:

$3^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{991}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 19490816

約数和(自身を除く): 6733673

約数列:

[1, 3, 7, 21, 613, 991, 1839, 2973, 4291, 6937, 12873, 20811, 607483, 1822449, 4252381, 12757143]

約数ペア:

[(1, 12757143), (3, 4252381), (7, 1822449), (21, 607483), (613, 20811), (991, 12873), (1839, 6937), (2973, 4291)]