66218943

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{3547}}^1$

素因数の和:3691

約数の個数: 24

約数和(自身を含む): 103544832

約数和(自身を除く): 37325889

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 2667, 3547, 6223, 10641, 18669, 24829, 74487, 173803, 450469, 521409, 1351407, 3153283, 9459849, 22072981, 66218943]

約数ペア:

[(1, 66218943), (3, 22072981), (7, 9459849), (21, 3153283), (49, 1351407), (127, 521409), (147, 450469), (381, 173803), (889, 74487), (2667, 24829), (3547, 18669), (6223, 10641)]