12831903

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{577}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 21279648

約数和(自身を除く): 8447745

約数列:

[1, 3, 7, 9, 21, 63, 353, 577, 1059, 1731, 2471, 3177, 4039, 5193, 7413, 12117, 22239, 36351, 203681, 611043, 1425767, 1833129, 4277301, 12831903]

約数ペア:

[(1, 12831903), (3, 4277301), (7, 1833129), (9, 1425767), (21, 611043), (63, 203681), (353, 36351), (577, 22239), (1059, 12117), (1731, 7413), (2471, 5193), (3177, 4039)]