278320209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{126913}}^1$

素因数の和:126976

約数の個数: 16

約数和(自身を含む): 402063552

約数和(自身を除く): 123743343

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 126913, 380739, 2157521, 5457259, 6472563, 16371777, 92773403, 278320209]

約数ペア:

[(1, 278320209), (3, 92773403), (17, 16371777), (43, 6472563), (51, 5457259), (129, 2157521), (731, 380739), (2193, 126913)]