1681043

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 24

約数和(自身を含む): 2196000

約数和(自身を除く): 514957

約数列:

[1, 7, 13, 29, 49, 91, 169, 203, 343, 377, 637, 1183, 1421, 2639, 4459, 4901, 8281, 9947, 18473, 34307, 57967, 129311, 240149, 1681043]

約数ペア:

[(1, 1681043), (7, 240149), (13, 129311), (29, 57967), (49, 34307), (91, 18473), (169, 9947), (203, 8281), (343, 4901), (377, 4459), (637, 2639), (1183, 1421)]