56745423

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20947}}^1$

素因数の和:21003

約数の個数: 24

約数和(自身を含む): 95858048

約数和(自身を除く): 39112625

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 20947, 62841, 146629, 188523, 439887, 900721, 1319661, 2702163, 6305047, 8106489, 18915141, 56745423]

約数ペア:

[(1, 56745423), (3, 18915141), (7, 8106489), (9, 6305047), (21, 2702163), (43, 1319661), (63, 900721), (129, 439887), (301, 188523), (387, 146629), (903, 62841), (2709, 20947)]