28778133

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 39112256

約数和(自身を除く): 10334123

約数列:

[1, 3, 73, 219, 331, 397, 993, 1191, 24163, 28981, 72489, 86943, 131407, 394221, 9592711, 28778133]

約数ペア:

[(1, 28778133), (3, 9592711), (73, 394221), (219, 131407), (331, 86943), (397, 72489), (993, 28981), (1191, 24163)]