1780551

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{5347}}^1$

素因数の和:5390

約数の個数: 12

約数和(自身を含む): 2641912

約数和(自身を除く): 861361

約数列:

[1, 3, 9, 37, 111, 333, 5347, 16041, 48123, 197839, 593517, 1780551]

約数ペア:

[(1, 1780551), (3, 593517), (9, 197839), (37, 48123), (111, 16041), (333, 5347)]