2899685871

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{240259}}^1$

素因数の和:240420

約数の個数: 20

約数和(自身を含む): 4360719000

約数和(自身を除く): 1461033129

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 240259, 720777, 2162331, 6486993, 19460979, 35798591, 107395773, 322187319, 966561957, 2899685871]

約数ペア:

[(1, 2899685871), (3, 966561957), (9, 322187319), (27, 107395773), (81, 35798591), (149, 19460979), (447, 6486993), (1341, 2162331), (4023, 720777), (12069, 240259)]