2740913

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 16

約数和(自身を含む): 3273600

約数和(自身を除く): 532687

約数列:

[1, 7, 49, 61, 131, 343, 427, 917, 2989, 6419, 7991, 20923, 44933, 55937, 391559, 2740913]

約数ペア:

[(1, 2740913), (7, 391559), (49, 55937), (61, 44933), (131, 20923), (343, 7991), (427, 6419), (917, 2989)]