728021277

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 1217728512

約数和(自身を除く): 489707235

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 127, 153, 181, 207, 381, 391, 459, 543, 621, 1143, 1173, 1377, 1629, 1863, 2159, 2921, 3077, 3429, 3519, 4163, 4887, 6477, 8763, 9231, 10287, 10557, 12489, 14661, 19431, 22987, 26289, 27693, 31671, 37467, 49657, 58293, 68961, 70771, 78867, 83079, 112401, 148971, 174879, 206883, 212313, 236601, 249237, 337203, 390779, 446913, 528701, 620649, 636939, 1172337, 1340739, 1586103, 1861947, 1910817, 3517011, 4022217, 4758309, 5732451, 8987917, 10551033, 14274927, 26963751, 31653099, 42824781, 80891253, 242673759, 728021277]

約数ペア:

[(1, 728021277), (3, 242673759), (9, 80891253), (17, 42824781), (23, 31653099), (27, 26963751), (51, 14274927), (69, 10551033), (81, 8987917), (127, 5732451), (153, 4758309), (181, 4022217), (207, 3517011), (381, 1910817), (391, 1861947), (459, 1586103), (543, 1340739), (621, 1172337), (1143, 636939), (1173, 620649), (1377, 528701), (1629, 446913), (1863, 390779), (2159, 337203), (2921, 249237), (3077, 236601), (3429, 212313), (3519, 206883), (4163, 174879), (4887, 148971), (6477, 112401), (8763, 83079), (9231, 78867), (10287, 70771), (10557, 68961), (12489, 58293), (14661, 49657), (19431, 37467), (22987, 31671), (26289, 27693)]