1520731401

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 2390114304

約数和(自身を除く): 869382903

約数列:

[1, 3, 7, 21, 73, 107, 127, 219, 321, 381, 511, 749, 889, 1533, 2247, 2667, 5329, 7811, 9271, 13589, 15987, 23433, 27813, 37303, 40767, 54677, 64897, 95123, 111909, 164031, 194691, 285369, 570203, 676783, 991997, 1710609, 2030349, 2975991, 3991421, 4737481, 6943979, 11974263, 14212443, 20831937, 72415781, 217247343, 506910467, 1520731401]

約数ペア:

[(1, 1520731401), (3, 506910467), (7, 217247343), (21, 72415781), (73, 20831937), (107, 14212443), (127, 11974263), (219, 6943979), (321, 4737481), (381, 3991421), (511, 2975991), (749, 2030349), (889, 1710609), (1533, 991997), (2247, 676783), (2667, 570203), (5329, 285369), (7811, 194691), (9271, 164031), (13589, 111909), (15987, 95123), (23433, 64897), (27813, 54677), (37303, 40767)]