12285427

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 16284672

約数和(自身を除く): 3999245

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 991, 1127, 1771, 6937, 10901, 12397, 22793, 48559, 76307, 159551, 250723, 534149, 1116857, 1755061, 12285427]

約数ペア:

[(1, 12285427), (7, 1755061), (11, 1116857), (23, 534149), (49, 250723), (77, 159551), (161, 76307), (253, 48559), (539, 22793), (991, 12397), (1127, 10901), (1771, 6937)]