81510897

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 119952000

約数和(自身を除く): 38441103

約数列:

[1, 3, 13, 39, 83, 149, 169, 249, 447, 507, 1079, 1937, 2197, 3237, 5811, 6591, 12367, 14027, 25181, 37101, 42081, 75543, 160771, 182351, 327353, 482313, 547053, 982059, 2090023, 6270069, 27170299, 81510897]

約数ペア:

[(1, 81510897), (3, 27170299), (13, 6270069), (39, 2090023), (83, 982059), (149, 547053), (169, 482313), (249, 327353), (447, 182351), (507, 160771), (1079, 75543), (1937, 42081), (2197, 37101), (3237, 25181), (5811, 14027), (6591, 12367)]