421493639

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{8951}}^1$

素因数の和:9027

約数の個数: 18

約数和(自身を含む): 506692152

約数和(自身を除く): 85198513

約数列:

[1, 7, 31, 49, 217, 961, 1519, 6727, 8951, 47089, 62657, 277481, 438599, 1942367, 8601911, 13596569, 60213377, 421493639]

約数ペア:

[(1, 421493639), (7, 60213377), (31, 13596569), (49, 8601911), (217, 1942367), (961, 438599), (1519, 277481), (6727, 62657), (8951, 47089)]