7893639

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 12911360

約数和(自身を除く): 5017721

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 523, 559, 1161, 1569, 1677, 4707, 5031, 6799, 14121, 15093, 20397, 22489, 61191, 67467, 183573, 202401, 292357, 607203, 877071, 2631213, 7893639]

約数ペア:

[(1, 7893639), (3, 2631213), (9, 877071), (13, 607203), (27, 292357), (39, 202401), (43, 183573), (117, 67467), (129, 61191), (351, 22489), (387, 20397), (523, 15093), (559, 14121), (1161, 6799), (1569, 5031), (1677, 4707)]