2178814329

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{231223}}^1$

素因数の和:231581

約数の個数: 16

約数和(自身を含む): 3237136000

約数和(自身を除く): 1058321671

約数列:

[1, 3, 9, 27, 349, 1047, 3141, 9423, 231223, 693669, 2081007, 6243021, 80696827, 242090481, 726271443, 2178814329]

約数ペア:

[(1, 2178814329), (3, 726271443), (9, 242090481), (27, 80696827), (349, 6243021), (1047, 2081007), (3141, 693669), (9423, 231223)]