138536769

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{25471}}^1$

素因数の和:25525

約数の個数: 24

約数和(自身を含む): 220689408

約数和(自身を除く): 82152639

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 25471, 76413, 178297, 534891, 942427, 1248079, 2827281, 3744237, 6596989, 19790967, 46178923, 138536769]

約数ペア:

[(1, 138536769), (3, 46178923), (7, 19790967), (21, 6596989), (37, 3744237), (49, 2827281), (111, 1248079), (147, 942427), (259, 534891), (777, 178297), (1813, 76413), (5439, 25471)]