2826009

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 20

約数和(自身を含む): 4268880

約数和(自身を除く): 1442871

約数列:

[1, 3, 9, 27, 81, 139, 251, 417, 753, 1251, 2259, 3753, 6777, 11259, 20331, 34889, 104667, 314001, 942003, 2826009]

約数ペア:

[(1, 2826009), (3, 942003), (9, 314001), (27, 104667), (81, 34889), (139, 20331), (251, 11259), (417, 6777), (753, 3753), (1251, 2259)]