28135257

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 40197024

約数和(自身を除く): 12061767

約数列:

[1, 3, 19, 57, 83, 249, 313, 361, 939, 1083, 1577, 4731, 5947, 17841, 25979, 29963, 77937, 89889, 112993, 338979, 493601, 1480803, 9378419, 28135257]

約数ペア:

[(1, 28135257), (3, 9378419), (19, 1480803), (57, 493601), (83, 338979), (249, 112993), (313, 89889), (361, 77937), (939, 29963), (1083, 25979), (1577, 17841), (4731, 5947)]