180381839

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 215523840

約数和(自身を除く): 35142001

約数列:

[1, 11, 19, 31, 121, 209, 341, 589, 2299, 2531, 3751, 6479, 27841, 48089, 71269, 78461, 306251, 528979, 863071, 1490759, 5818769, 9493781, 16398349, 180381839]

約数ペア:

[(1, 180381839), (11, 16398349), (19, 9493781), (31, 5818769), (121, 1490759), (209, 863071), (341, 528979), (589, 306251), (2299, 78461), (2531, 71269), (3751, 48089), (6479, 27841)]