277810401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 430695360

約数和(自身を除く): 152884959

約数列:

[1, 3, 11, 29, 33, 43, 87, 129, 157, 319, 471, 473, 957, 1247, 1419, 1727, 1849, 3741, 4553, 5181, 5547, 6751, 13659, 13717, 20253, 20339, 41151, 50083, 53621, 61017, 74261, 150249, 160863, 195779, 222783, 290293, 587337, 589831, 870879, 1769493, 2153569, 3193223, 6460707, 8418497, 9579669, 25255491, 92603467, 277810401]

約数ペア:

[(1, 277810401), (3, 92603467), (11, 25255491), (29, 9579669), (33, 8418497), (43, 6460707), (87, 3193223), (129, 2153569), (157, 1769493), (319, 870879), (471, 589831), (473, 587337), (957, 290293), (1247, 222783), (1419, 195779), (1727, 160863), (1849, 150249), (3741, 74261), (4553, 61017), (5181, 53621), (5547, 50083), (6751, 41151), (13659, 20339), (13717, 20253)]