39986751

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 63825408

約数和(自身を除く): 23838657

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 777, 971, 1113, 1961, 2913, 5883, 6797, 13727, 20391, 35927, 41181, 51463, 107781, 154389, 251489, 360241, 754467, 1080723, 1904131, 5712393, 13328917, 39986751]

約数ペア:

[(1, 39986751), (3, 13328917), (7, 5712393), (21, 1904131), (37, 1080723), (53, 754467), (111, 360241), (159, 251489), (259, 154389), (371, 107781), (777, 51463), (971, 41181), (1113, 35927), (1961, 20391), (2913, 13727), (5883, 6797)]