9207639

素因数分解:

$3^2\times 7^2\times {\mathrm{20879}}^1$

素因数の和:20899

約数の個数: 18

約数和(自身を含む): 15472080

約数和(自身を除く): 6264441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20879, 62637, 146153, 187911, 438459, 1023071, 1315377, 3069213, 9207639]

約数ペア:

[(1, 9207639), (3, 3069213), (7, 1315377), (9, 1023071), (21, 438459), (49, 187911), (63, 146153), (147, 62637), (441, 20879)]