10989027

素因数分解:

$3^4\times 7^1\times {\mathrm{19381}}^1$

素因数の和:19400

約数の個数: 20

約数和(自身を含む): 18761776

約数和(自身を除く): 7772749

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 19381, 58143, 135667, 174429, 407001, 523287, 1221003, 1569861, 3663009, 10989027]

約数ペア:

[(1, 10989027), (3, 3663009), (7, 1569861), (9, 1221003), (21, 523287), (27, 407001), (63, 174429), (81, 135667), (189, 58143), (567, 19381)]