15563755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 6209045

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 419, 437, 1615, 1955, 2095, 2185, 7123, 7429, 7961, 9637, 35615, 37145, 39805, 48185, 135337, 163829, 183103, 676685, 819145, 915515, 3112751, 15563755]

約数ペア:

[(1, 15563755), (5, 3112751), (17, 915515), (19, 819145), (23, 676685), (85, 183103), (95, 163829), (115, 135337), (323, 48185), (391, 39805), (419, 37145), (437, 35615), (1615, 9637), (1955, 7961), (2095, 7429), (2185, 7123)]