12557721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{859}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 18328320

約数和(自身を除く): 5770599

約数列:

[1, 3, 11, 33, 443, 859, 1329, 2577, 4873, 9449, 14619, 28347, 380537, 1141611, 4185907, 12557721]

約数ペア:

[(1, 12557721), (3, 4185907), (11, 1141611), (33, 380537), (443, 28347), (859, 14619), (1329, 9449), (2577, 4873)]