51759639

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{81001}}^1$

素因数の和:81078

約数の個数: 12

約数和(自身を含む): 75817872

約数和(自身を除く): 24058233

約数列:

[1, 3, 9, 71, 213, 639, 81001, 243003, 729009, 5751071, 17253213, 51759639]

約数ペア:

[(1, 51759639), (3, 17253213), (9, 5751071), (71, 729009), (213, 243003), (639, 81001)]