639774663

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{28807}}^1$

素因数の和:29494

約数の個数: 16

約数和(自身を含む): 931996416

約数和(自身を除く): 292221753

約数列:

[1, 3, 11, 33, 673, 2019, 7403, 22209, 28807, 86421, 316877, 950631, 19387111, 58161333, 213258221, 639774663]

約数ペア:

[(1, 639774663), (3, 213258221), (11, 58161333), (33, 19387111), (673, 950631), (2019, 316877), (7403, 86421), (22209, 28807)]