2009783907

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1078789}}^1$

素因数の和:1078824

約数の個数: 20

約数和(自身を含む): 3132806160

約数和(自身を除く): 1123022253

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 1078789, 3236367, 9709101, 24812147, 29127303, 74436441, 87381909, 223309323, 669927969, 2009783907]

約数ペア:

[(1, 2009783907), (3, 669927969), (9, 223309323), (23, 87381909), (27, 74436441), (69, 29127303), (81, 24812147), (207, 9709101), (621, 3236367), (1863, 1078789)]