7942557

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 12508992

約数和(自身を除く): 4566435

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 761, 1491, 2283, 3479, 5327, 10437, 15981, 37289, 54031, 111867, 162093, 378217, 1134651, 2647519, 7942557]

約数ペア:

[(1, 7942557), (3, 2647519), (7, 1134651), (21, 378217), (49, 162093), (71, 111867), (147, 54031), (213, 37289), (497, 15981), (761, 10437), (1491, 5327), (2283, 3479)]