223897121

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{240491}}^1$

素因数の和:240524

約数の個数: 12

約数和(自身を含む): 274160880

約数和(自身を除く): 50263759

約数列:

[1, 7, 19, 49, 133, 931, 240491, 1683437, 4569329, 11784059, 31985303, 223897121]

約数ペア:

[(1, 223897121), (7, 31985303), (19, 11784059), (49, 4569329), (133, 1683437), (931, 240491)]