17289531

素因数分解:

$3^4\times 7^1\times {\mathrm{30493}}^1$

素因数の和:30512

約数の個数: 20

約数和(自身を含む): 29518192

約数和(自身を除く): 12228661

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 30493, 91479, 213451, 274437, 640353, 823311, 1921059, 2469933, 5763177, 17289531]

約数ペア:

[(1, 17289531), (3, 5763177), (7, 2469933), (9, 1921059), (21, 823311), (27, 640353), (63, 274437), (81, 213451), (189, 91479), (567, 30493)]