12690027

素因数分解:

$3^4\times 7^1\times {\mathrm{22381}}^1$

素因数の和:22400

約数の個数: 20

約数和(自身を含む): 21665776

約数和(自身を除く): 8975749

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22381, 67143, 156667, 201429, 470001, 604287, 1410003, 1812861, 4230009, 12690027]

約数ペア:

[(1, 12690027), (3, 4230009), (7, 1812861), (9, 1410003), (21, 604287), (27, 470001), (63, 201429), (81, 156667), (189, 67143), (567, 22381)]