12707751

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31849}}^1$

素因数の和:31878

約数の個数: 16

約数和(自身を含む): 20384000

約数和(自身を除く): 7676249

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 31849, 95547, 222943, 605131, 668829, 1815393, 4235917, 12707751]

約数ペア:

[(1, 12707751), (3, 4235917), (7, 1815393), (19, 668829), (21, 605131), (57, 222943), (133, 95547), (399, 31849)]