13431781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 15238080

約数和(自身を除く): 1806299

約数列:

[1, 11, 43, 73, 389, 473, 803, 3139, 4279, 16727, 28397, 34529, 183997, 312367, 1221071, 13431781]

約数ペア:

[(1, 13431781), (11, 1221071), (43, 312367), (73, 183997), (389, 34529), (473, 28397), (803, 16727), (3139, 4279)]