28157613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1327}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 41051136

約数和(自身を除く): 12893523

約数列:

[1, 3, 11, 33, 643, 1327, 1929, 3981, 7073, 14597, 21219, 43791, 853261, 2559783, 9385871, 28157613]

約数ペア:

[(1, 28157613), (3, 9385871), (11, 2559783), (33, 853261), (643, 43791), (1327, 21219), (1929, 14597), (3981, 7073)]