9993221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 12111360

約数和(自身を除く): 2118139

約数列:

[1, 7, 19, 133, 227, 331, 1589, 2317, 4313, 6289, 30191, 44023, 75137, 525959, 1427603, 9993221]

約数ペア:

[(1, 9993221), (7, 1427603), (19, 525959), (133, 75137), (227, 44023), (331, 30191), (1589, 6289), (2317, 4313)]