697148937

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{506281}}^1$

素因数の和:506310

約数の個数: 20

約数和(自身を含む): 1102682196

約数和(自身を除く): 405533259

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 506281, 1518843, 4556529, 8606777, 13669587, 25820331, 41008761, 77460993, 232382979, 697148937]

約数ペア:

[(1, 697148937), (3, 232382979), (9, 77460993), (17, 41008761), (27, 25820331), (51, 13669587), (81, 8606777), (153, 4556529), (459, 1518843), (1377, 506281)]