2776221

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 4839680

約数和(自身を除く): 2063459

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 397, 777, 999, 1191, 2331, 2779, 3573, 6993, 8337, 10719, 14689, 25011, 44067, 75033, 102823, 132201, 308469, 396603, 925407, 2776221]

約数ペア:

[(1, 2776221), (3, 925407), (7, 396603), (9, 308469), (21, 132201), (27, 102823), (37, 75033), (63, 44067), (111, 25011), (189, 14689), (259, 10719), (333, 8337), (397, 6993), (777, 3573), (999, 2779), (1191, 2331)]