56628819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 94820544

約数和(自身を除く): 38191725

約数列:

[1, 3, 9, 13, 17, 39, 51, 71, 117, 153, 213, 221, 401, 639, 663, 923, 1203, 1207, 1989, 2769, 3609, 3621, 5213, 6817, 8307, 10863, 15639, 15691, 20451, 28471, 46917, 47073, 61353, 85413, 88621, 141219, 256239, 265863, 370123, 484007, 797589, 1110369, 1452021, 3331107, 4356063, 6292091, 18876273, 56628819]

約数ペア:

[(1, 56628819), (3, 18876273), (9, 6292091), (13, 4356063), (17, 3331107), (39, 1452021), (51, 1110369), (71, 797589), (117, 484007), (153, 370123), (213, 265863), (221, 256239), (401, 141219), (639, 88621), (663, 85413), (923, 61353), (1203, 47073), (1207, 46917), (1989, 28471), (2769, 20451), (3609, 15691), (3621, 15639), (5213, 10863), (6817, 8307)]