207921161

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{223331}}^1$

素因数の和:223364

約数の個数: 12

約数和(自身を含む): 254598480

約数和(自身を除く): 46677319

約数列:

[1, 7, 19, 49, 133, 931, 223331, 1563317, 4243289, 10943219, 29703023, 207921161]

約数ペア:

[(1, 207921161), (7, 29703023), (19, 10943219), (49, 4243289), (133, 1563317), (931, 223331)]