28691487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{821}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 45394128

約数和(自身を除く): 16702641

約数列:

[1, 3, 9, 11, 33, 99, 353, 821, 1059, 2463, 3177, 3883, 7389, 9031, 11649, 27093, 34947, 81279, 289813, 869439, 2608317, 3187943, 9563829, 28691487]

約数ペア:

[(1, 28691487), (3, 9563829), (9, 3187943), (11, 2608317), (33, 869439), (99, 289813), (353, 81279), (821, 34947), (1059, 27093), (2463, 11649), (3177, 9031), (3883, 7389)]