128840685

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199753}}^1$

素因数の和:199804

約数の個数: 16

約数和(自身を含む): 210940224

約数和(自身を除く): 82099539

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 199753, 599259, 998765, 2996295, 8589379, 25768137, 42946895, 128840685]

約数ペア:

[(1, 128840685), (3, 42946895), (5, 25768137), (15, 8589379), (43, 2996295), (129, 998765), (215, 599259), (645, 199753)]