20130705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63907}}^1$

素因数の和:63925

約数の個数: 24

約数和(自身を含む): 39878592

約数和(自身を除く): 19747887

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63907, 191721, 319535, 447349, 575163, 958605, 1342047, 2236745, 2875815, 4026141, 6710235, 20130705]

約数ペア:

[(1, 20130705), (3, 6710235), (5, 4026141), (7, 2875815), (9, 2236745), (15, 1342047), (21, 958605), (35, 575163), (45, 447349), (63, 319535), (105, 191721), (315, 63907)]