2553439

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:127

約数の個数: 18

約数和(自身を含む): 3142752

約数和(自身を除く): 589313

約数列:

[1, 7, 31, 41, 49, 217, 287, 1271, 1519, 1681, 2009, 8897, 11767, 52111, 62279, 82369, 364777, 2553439]

約数ペア:

[(1, 2553439), (7, 364777), (31, 82369), (41, 62279), (49, 52111), (217, 11767), (287, 8897), (1271, 2009), (1519, 1681)]