1971426519

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{55441}}^1$

素因数の和:55892

約数の個数: 20

約数和(自身を含む): 2951732080

約数和(自身を除く): 980305561

約数列:

[1, 3, 9, 27, 81, 439, 1317, 3951, 11853, 35559, 55441, 166323, 498969, 1496907, 4490721, 24338599, 73015797, 219047391, 657142173, 1971426519]

約数ペア:

[(1, 1971426519), (3, 657142173), (9, 219047391), (27, 73015797), (81, 24338599), (439, 4490721), (1317, 1496907), (3951, 498969), (11853, 166323), (35559, 55441)]