13128297

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 22686720

約数和(自身を除く): 9558423

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 2531, 5187, 7593, 17717, 32903, 48089, 53151, 98709, 144267, 230321, 336623, 625157, 690963, 1009869, 1875471, 4376099, 13128297]

約数ペア:

[(1, 13128297), (3, 4376099), (7, 1875471), (13, 1009869), (19, 690963), (21, 625157), (39, 336623), (57, 230321), (91, 144267), (133, 98709), (247, 53151), (273, 48089), (399, 32903), (741, 17717), (1729, 7593), (2531, 5187)]