81254481

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{351751}}^1$

素因数の和:351772

約数の個数: 16

約数和(自身を含む): 135072768

約数和(自身を除く): 53818287

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 351751, 1055253, 2462257, 3869261, 7386771, 11607783, 27084827, 81254481]

約数ペア:

[(1, 81254481), (3, 27084827), (7, 11607783), (11, 7386771), (21, 3869261), (33, 2462257), (77, 1055253), (231, 351751)]