39997209

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 64972800

約数和(自身を除く): 24975591

約数列:

[1, 3, 7, 17, 21, 51, 119, 199, 357, 563, 597, 1393, 1689, 3383, 3941, 4179, 9571, 10149, 11823, 23681, 28713, 66997, 71043, 112037, 200991, 336111, 784259, 1904629, 2352777, 5713887, 13332403, 39997209]

約数ペア:

[(1, 39997209), (3, 13332403), (7, 5713887), (17, 2352777), (21, 1904629), (51, 784259), (119, 336111), (199, 200991), (357, 112037), (563, 71043), (597, 66997), (1393, 28713), (1689, 23681), (3383, 11823), (3941, 10149), (4179, 9571)]