12697593921

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{19871039}}^1$

素因数の和:19871116

約数の個数: 12

約数和(自身を含む): 18599293440

約数和(自身を除く): 5901699519

約数列:

[1, 3, 9, 71, 213, 639, 19871039, 59613117, 178839351, 1410843769, 4232531307, 12697593921]

約数ペア:

[(1, 12697593921), (3, 4232531307), (9, 1410843769), (71, 178839351), (213, 59613117), (639, 19871039)]