16626861

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1709}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 25608960

約数和(自身を除く): 8982099

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1709, 3243, 5127, 9729, 15381, 39307, 80323, 117921, 240969, 353763, 722907, 1847429, 5542287, 16626861]

約数ペア:

[(1, 16626861), (3, 5542287), (9, 1847429), (23, 722907), (47, 353763), (69, 240969), (141, 117921), (207, 80323), (423, 39307), (1081, 15381), (1709, 9729), (3243, 5127)]