81521397

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{9067}}^1$

素因数の和:9119

約数の個数: 24

約数和(自身を含む): 125428576

約数和(自身を除く): 43907179

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997, 8991, 9067, 27201, 81603, 244809, 335479, 734427, 1006437, 2203281, 3019311, 9057933, 27173799, 81521397]

約数ペア:

[(1, 81521397), (3, 27173799), (9, 9057933), (27, 3019311), (37, 2203281), (81, 1006437), (111, 734427), (243, 335479), (333, 244809), (999, 81603), (2997, 27201), (8991, 9067)]