2799279

素因数分解:

$3^4\times 7^1\times {\mathrm{4937}}^1$

素因数の和:4956

約数の個数: 20

約数和(自身を含む): 4779984

約数和(自身を除く): 1980705

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4937, 14811, 34559, 44433, 103677, 133299, 311031, 399897, 933093, 2799279]

約数ペア:

[(1, 2799279), (3, 933093), (7, 399897), (9, 311031), (21, 133299), (27, 103677), (63, 44433), (81, 34559), (189, 14811), (567, 4937)]