2021808627

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{686989}}^1$

素因数の和:687107

約数の個数: 16

約数和(自身を含む): 3022756000

約数和(自身を除く): 1000947373

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 686989, 2060967, 6182901, 18548703, 74881801, 224645403, 673936209, 2021808627]

約数ペア:

[(1, 2021808627), (3, 673936209), (9, 224645403), (27, 74881801), (109, 18548703), (327, 6182901), (981, 2060967), (2943, 686989)]