123387159

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{309241}}^1$

素因数の和:309270

約数の個数: 16

約数和(自身を含む): 197914880

約数和(自身を除く): 74527721

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 309241, 927723, 2164687, 5875579, 6494061, 17626737, 41129053, 123387159]

約数ペア:

[(1, 123387159), (3, 41129053), (7, 17626737), (19, 6494061), (21, 5875579), (57, 2164687), (133, 927723), (399, 309241)]