12505143

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 19618032

約数和(自身を除く): 7112889

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 877, 2037, 2631, 4753, 6139, 14259, 18417, 42973, 85069, 128919, 255207, 595483, 1786449, 4168381, 12505143]

約数ペア:

[(1, 12505143), (3, 4168381), (7, 1786449), (21, 595483), (49, 255207), (97, 128919), (147, 85069), (291, 42973), (679, 18417), (877, 14259), (2037, 6139), (2631, 4753)]