28284795

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:942

約数の個数: 80

約数和(自身を含む): 63283968

約数和(自身を除く): 34999173

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 231, 297, 315, 385, 405, 495, 567, 693, 891, 907, 945, 1155, 1485, 2079, 2721, 2835, 3465, 4455, 4535, 6237, 6349, 8163, 9977, 10395, 13605, 19047, 24489, 29931, 31185, 31745, 40815, 49885, 57141, 69839, 73467, 89793, 95235, 122445, 149655, 171423, 209517, 269379, 285705, 349195, 367335, 448965, 514269, 628551, 808137, 857115, 1047585, 1346895, 1885653, 2571345, 3142755, 4040685, 5656959, 9428265, 28284795]

約数ペア:

[(1, 28284795), (3, 9428265), (5, 5656959), (7, 4040685), (9, 3142755), (11, 2571345), (15, 1885653), (21, 1346895), (27, 1047585), (33, 857115), (35, 808137), (45, 628551), (55, 514269), (63, 448965), (77, 367335), (81, 349195), (99, 285705), (105, 269379), (135, 209517), (165, 171423), (189, 149655), (231, 122445), (297, 95235), (315, 89793), (385, 73467), (405, 69839), (495, 57141), (567, 49885), (693, 40815), (891, 31745), (907, 31185), (945, 29931), (1155, 24489), (1485, 19047), (2079, 13605), (2721, 10395), (2835, 9977), (3465, 8163), (4455, 6349), (4535, 6237)]