17199721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 21611520

約数和(自身を除く): 4411799

約数列:

[1, 7, 11, 77, 139, 973, 1529, 1607, 10703, 11249, 17677, 123739, 223373, 1563611, 2457103, 17199721]

約数ペア:

[(1, 17199721), (7, 2457103), (11, 1563611), (77, 223373), (139, 123739), (973, 17677), (1529, 11249), (1607, 10703)]