214922727

素因数分解:

$3^4\times {\mathrm{1087}}^1\times {\mathrm{2441}}^1$

素因数の和:3540

約数の個数: 20

約数和(自身を含む): 321484416

約数和(自身を除く): 106561689

約数列:

[1, 3, 9, 27, 81, 1087, 2441, 3261, 7323, 9783, 21969, 29349, 65907, 88047, 197721, 2653367, 7960101, 23880303, 71640909, 214922727]

約数ペア:

[(1, 214922727), (3, 71640909), (9, 23880303), (27, 7960101), (81, 2653367), (1087, 197721), (2441, 88047), (3261, 65907), (7323, 29349), (9783, 21969)]