7686531

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 11771136

約数和(自身を除く): 4084605

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 523, 639, 1569, 1633, 4707, 4899, 12029, 14697, 36087, 37133, 108261, 111399, 334197, 854059, 2562177, 7686531]

約数ペア:

[(1, 7686531), (3, 2562177), (9, 854059), (23, 334197), (69, 111399), (71, 108261), (207, 37133), (213, 36087), (523, 14697), (639, 12029), (1569, 4899), (1633, 4707)]