2080221291

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{706837}}^1$

素因数の和:706955

約数の個数: 16

約数和(自身を含む): 3110087200

約数和(自身を除く): 1029865909

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 706837, 2120511, 6361533, 19084599, 77045233, 231135699, 693407097, 2080221291]

約数ペア:

[(1, 2080221291), (3, 693407097), (9, 231135699), (27, 77045233), (109, 19084599), (327, 6361533), (981, 2120511), (2943, 706837)]