90514989

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{15739}}^1$

素因数の和:15822

約数の個数: 20

約数和(自身を含む): 137126880

約数和(自身を除く): 46611891

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 15739, 47217, 141651, 424953, 1117469, 1274859, 3352407, 10057221, 30171663, 90514989]

約数ペア:

[(1, 90514989), (3, 30171663), (9, 10057221), (27, 3352407), (71, 1274859), (81, 1117469), (213, 424953), (639, 141651), (1917, 47217), (5751, 15739)]