13011999

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 23748480

約数和(自身を除く): 10736481

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 619, 637, 1001, 1617, 1857, 1911, 3003, 4333, 6809, 7007, 8047, 12999, 20427, 21021, 24141, 30331, 47663, 56329, 88517, 90993, 142989, 168987, 265551, 333641, 394303, 619619, 1000923, 1182909, 1858857, 4337333, 13011999]

約数ペア:

[(1, 13011999), (3, 4337333), (7, 1858857), (11, 1182909), (13, 1000923), (21, 619619), (33, 394303), (39, 333641), (49, 265551), (77, 168987), (91, 142989), (143, 90993), (147, 88517), (231, 56329), (273, 47663), (429, 30331), (539, 24141), (619, 21021), (637, 20427), (1001, 12999), (1617, 8047), (1857, 7007), (1911, 6809), (3003, 4333)]