287209395

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2854

約数の個数: 80

約数和(自身を含む): 586282752

約数和(自身を除く): 299073357

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 81, 99, 115, 135, 165, 207, 253, 297, 345, 405, 495, 621, 759, 891, 1035, 1265, 1485, 1863, 2277, 2803, 3105, 3795, 4455, 6831, 8409, 9315, 11385, 14015, 20493, 25227, 30833, 34155, 42045, 64469, 75681, 92499, 102465, 126135, 154165, 193407, 227043, 277497, 322345, 378405, 462495, 580221, 709159, 832491, 967035, 1135215, 1387485, 1740663, 2127477, 2497473, 2901105, 3545795, 4162455, 5221989, 6382431, 8703315, 10637385, 12487365, 19147293, 26109945, 31912155, 57441879, 95736465, 287209395]

約数ペア:

[(1, 287209395), (3, 95736465), (5, 57441879), (9, 31912155), (11, 26109945), (15, 19147293), (23, 12487365), (27, 10637385), (33, 8703315), (45, 6382431), (55, 5221989), (69, 4162455), (81, 3545795), (99, 2901105), (115, 2497473), (135, 2127477), (165, 1740663), (207, 1387485), (253, 1135215), (297, 967035), (345, 832491), (405, 709159), (495, 580221), (621, 462495), (759, 378405), (891, 322345), (1035, 277497), (1265, 227043), (1485, 193407), (1863, 154165), (2277, 126135), (2803, 102465), (3105, 92499), (3795, 75681), (4455, 64469), (6831, 42045), (8409, 34155), (9315, 30833), (11385, 25227), (14015, 20493)]