2051297487

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{697009}}^1$

素因数の和:697127

約数の個数: 16

約数和(自身を含む): 3066844000

約数和(自身を除く): 1015546513

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 697009, 2091027, 6273081, 18819243, 75973981, 227921943, 683765829, 2051297487]

約数ペア:

[(1, 2051297487), (3, 683765829), (9, 227921943), (27, 75973981), (109, 18819243), (327, 6273081), (981, 2091027), (2943, 697009)]