12750903

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 20991048

約数和(自身を除く): 8240145

約数列:

[1, 3, 9, 11, 33, 37, 59, 99, 111, 177, 333, 407, 531, 649, 1221, 1947, 2183, 3481, 3663, 5841, 6549, 10443, 19647, 24013, 31329, 38291, 72039, 114873, 128797, 216117, 344619, 386391, 1159173, 1416767, 4250301, 12750903]

約数ペア:

[(1, 12750903), (3, 4250301), (9, 1416767), (11, 1159173), (33, 386391), (37, 344619), (59, 216117), (99, 128797), (111, 114873), (177, 72039), (333, 38291), (407, 31329), (531, 24013), (649, 19647), (1221, 10443), (1947, 6549), (2183, 5841), (3481, 3663)]