1987965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{6311}}^1$

素因数の和:6329

約数の個数: 24

約数和(自身を含む): 3938688

約数和(自身を除く): 1950723

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 6311, 18933, 31555, 44177, 56799, 94665, 132531, 220885, 283995, 397593, 662655, 1987965]

約数ペア:

[(1, 1987965), (3, 662655), (5, 397593), (7, 283995), (9, 220885), (15, 132531), (21, 94665), (35, 56799), (45, 44177), (63, 31555), (105, 18933), (315, 6311)]