15428721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66791}}^1$

素因数の和:66812

約数の個数: 16

約数和(自身を含む): 25648128

約数和(自身を除く): 10219407

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 66791, 200373, 467537, 734701, 1402611, 2204103, 5142907, 15428721]

約数ペア:

[(1, 15428721), (3, 5142907), (7, 2204103), (11, 1402611), (21, 734701), (33, 467537), (77, 200373), (231, 66791)]