16853985

素因数分解:

$3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1061}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 29323944

約数和(自身を除く): 12469959

約数列:

[1, 3, 5, 9, 15, 45, 353, 1059, 1061, 1765, 3177, 3183, 5295, 5305, 9549, 15885, 15915, 47745, 374533, 1123599, 1872665, 3370797, 5617995, 16853985]

約数ペア:

[(1, 16853985), (3, 5617995), (5, 3370797), (9, 1872665), (15, 1123599), (45, 374533), (353, 47745), (1059, 15915), (1061, 15885), (1765, 9549), (3177, 5305), (3183, 5295)]