157248721

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{9857}}^1$

素因数の和:9960

約数の個数: 16

約数和(自身を含む): 187380864

約数和(自身を除く): 30132143

約数列:

[1, 7, 43, 53, 301, 371, 2279, 9857, 15953, 68999, 423851, 522421, 2966957, 3656947, 22464103, 157248721]

約数ペア:

[(1, 157248721), (7, 22464103), (43, 3656947), (53, 2966957), (301, 522421), (371, 423851), (2279, 68999), (9857, 15953)]