127720761

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{129403}}^1$

素因数の和:129460

約数の個数: 16

約数和(自身を含む): 198764544

約数和(自身を除く): 71043783

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 129403, 388209, 905821, 2717463, 6081941, 18245823, 42573587, 127720761]

約数ペア:

[(1, 127720761), (3, 42573587), (7, 18245823), (21, 6081941), (47, 2717463), (141, 905821), (329, 388209), (987, 129403)]