138948129

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8328

約数の個数: 28

約数和(自身を含む): 217410816

約数和(自身を除く): 78462687

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1863, 5589, 8287, 16767, 24861, 74583, 190601, 223749, 571803, 671247, 1715409, 2013741, 5146227, 6041223, 15438681, 46316043, 138948129]

約数ペア:

[(1, 138948129), (3, 46316043), (9, 15438681), (23, 6041223), (27, 5146227), (69, 2013741), (81, 1715409), (207, 671247), (243, 571803), (621, 223749), (729, 190601), (1863, 74583), (5589, 24861), (8287, 16767)]