81243305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 119133504

約数和(自身を除く): 37890199

約数列:

[1, 5, 11, 13, 37, 55, 65, 83, 143, 185, 407, 415, 481, 715, 913, 1079, 1369, 2035, 2405, 3071, 4565, 5291, 5395, 6845, 11869, 15059, 15355, 17797, 26455, 33781, 39923, 59345, 75295, 88985, 113627, 168905, 195767, 199615, 439153, 568135, 978835, 1249897, 1477151, 2195765, 6249485, 7385755, 16248661, 81243305]

約数ペア:

[(1, 81243305), (5, 16248661), (11, 7385755), (13, 6249485), (37, 2195765), (55, 1477151), (65, 1249897), (83, 978835), (143, 568135), (185, 439153), (407, 199615), (415, 195767), (481, 168905), (715, 113627), (913, 88985), (1079, 75295), (1369, 59345), (2035, 39923), (2405, 33781), (3071, 26455), (4565, 17797), (5291, 15355), (5395, 15059), (6845, 11869)]