388996947

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{2341}}^1$

素因数の和:2883

約数の個数: 24

約数和(自身を含む): 578474000

約数和(自身を除く): 189477053

約数列:

[1, 3, 9, 37, 111, 333, 499, 1497, 2341, 4491, 7023, 18463, 21069, 55389, 86617, 166167, 259851, 779553, 1168159, 3504477, 10513431, 43221883, 129665649, 388996947]

約数ペア:

[(1, 388996947), (3, 129665649), (9, 43221883), (37, 10513431), (111, 3504477), (333, 1168159), (499, 779553), (1497, 259851), (2341, 166167), (4491, 86617), (7023, 55389), (18463, 21069)]