28193781

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122051}}^1$

素因数の和:122072

約数の個数: 16

約数和(自身を含む): 46867968

約数和(自身を除く): 18674187

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122051, 366153, 854357, 1342561, 2563071, 4027683, 9397927, 28193781]

約数ペア:

[(1, 28193781), (3, 9397927), (7, 4027683), (11, 2563071), (21, 1342561), (33, 854357), (77, 366153), (231, 122051)]