38931291

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1987}}^1$

素因数の和:2311

約数の個数: 24

約数和(自身を含む): 64506624

約数和(自身を除く): 25575333

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 1987, 2177, 2799, 5961, 6531, 13909, 17883, 19593, 41727, 125181, 617957, 1853871, 4325699, 5561613, 12977097, 38931291]

約数ペア:

[(1, 38931291), (3, 12977097), (7, 5561613), (9, 4325699), (21, 1853871), (63, 617957), (311, 125181), (933, 41727), (1987, 19593), (2177, 17883), (2799, 13909), (5961, 6531)]