7288281

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 14152320

約数和(自身を除く): 6864039

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 809, 819, 1001, 1287, 2427, 3003, 5663, 7281, 8899, 9009, 10517, 16989, 26697, 31551, 50967, 62293, 73619, 80091, 94653, 115687, 186879, 220857, 347061, 560637, 662571, 809809, 1041183, 2429427, 7288281]

約数ペア:

[(1, 7288281), (3, 2429427), (7, 1041183), (9, 809809), (11, 662571), (13, 560637), (21, 347061), (33, 220857), (39, 186879), (63, 115687), (77, 94653), (91, 80091), (99, 73619), (117, 62293), (143, 50967), (231, 31551), (273, 26697), (429, 16989), (693, 10517), (809, 9009), (819, 8899), (1001, 7281), (1287, 5663), (2427, 3003)]