120787681

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{1553}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 142023168

約数和(自身を除く): 21235487

約数列:

[1, 7, 41, 271, 287, 1553, 1897, 10871, 11111, 63673, 77777, 420863, 445711, 2946041, 17255383, 120787681]

約数ペア:

[(1, 120787681), (7, 17255383), (41, 2946041), (271, 445711), (287, 420863), (1553, 77777), (1897, 63673), (10871, 11111)]