28638111

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{367}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 41422080

約数和(自身を除く): 12783969

約数列:

[1, 3, 19, 37, 57, 111, 367, 703, 1101, 1369, 2109, 4107, 6973, 13579, 20919, 26011, 40737, 78033, 258001, 502423, 774003, 1507269, 9546037, 28638111]

約数ペア:

[(1, 28638111), (3, 9546037), (19, 1507269), (37, 774003), (57, 502423), (111, 258001), (367, 78033), (703, 40737), (1101, 26011), (1369, 20919), (2109, 13579), (4107, 6973)]