28428279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18329}}^1$

素因数の和:18390

約数の個数: 16

約数和(自身を含む): 42232320

約数和(自身を除く): 13804041

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18329, 54987, 201619, 604857, 861463, 2584389, 9476093, 28428279]

約数ペア:

[(1, 28428279), (3, 9476093), (11, 2584389), (33, 861463), (47, 604857), (141, 201619), (517, 54987), (1551, 18329)]