31004001

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2473}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 51459200

約数和(自身を除く): 20455199

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 2473, 4179, 7419, 12537, 17311, 22257, 51933, 155799, 492127, 1476381, 3444889, 4429143, 10334667, 31004001]

約数ペア:

[(1, 31004001), (3, 10334667), (7, 4429143), (9, 3444889), (21, 1476381), (63, 492127), (199, 155799), (597, 51933), (1393, 22257), (1791, 17311), (2473, 12537), (4179, 7419)]