129331629

素因数分解:

$3^2\times 7^2\times {\mathrm{293269}}^1$

素因数の和:293289

約数の個数: 18

約数和(自身を含む): 217313070

約数和(自身を除く): 87981441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 293269, 879807, 2052883, 2639421, 6158649, 14370181, 18475947, 43110543, 129331629]

約数ペア:

[(1, 129331629), (3, 43110543), (7, 18475947), (9, 14370181), (21, 6158649), (49, 2639421), (63, 2052883), (147, 879807), (441, 293269)]