2028051189

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{197147}}^1$

素因数の和:197286

約数の個数: 20

約数和(自身を含む): 3053428224

約数和(自身を除く): 1025377035

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 197147, 591441, 1774323, 5322969, 15968907, 25037669, 75113007, 225339021, 676017063, 2028051189]

約数ペア:

[(1, 2028051189), (3, 676017063), (9, 225339021), (27, 75113007), (81, 25037669), (127, 15968907), (381, 5322969), (1143, 1774323), (3429, 591441), (10287, 197147)]