1691347

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 2089152

約数和(自身を除く): 397805

約数列:

[1, 7, 17, 61, 119, 233, 427, 1037, 1631, 3961, 7259, 14213, 27727, 99491, 241621, 1691347]

約数ペア:

[(1, 1691347), (7, 241621), (17, 99491), (61, 27727), (119, 14213), (233, 7259), (427, 3961), (1037, 1631)]