19983105

素因数分解:

$3^5\times 5^1\times {\mathrm{16447}}^1$

素因数の和:16467

約数の個数: 24

約数和(自身を含む): 35922432

約数和(自身を除く): 15939327

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16447, 49341, 82235, 148023, 246705, 444069, 740115, 1332207, 2220345, 3996621, 6661035, 19983105]

約数ペア:

[(1, 19983105), (3, 6661035), (5, 3996621), (9, 2220345), (15, 1332207), (27, 740115), (45, 444069), (81, 246705), (135, 148023), (243, 82235), (405, 49341), (1215, 16447)]