78178881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 117421056

約数和(自身を除く): 39242175

約数列:

[1, 3, 11, 33, 61, 71, 183, 213, 547, 671, 781, 1641, 2013, 2343, 4331, 6017, 12993, 18051, 33367, 38837, 47641, 100101, 116511, 142923, 367037, 427207, 1101111, 1281621, 2369057, 7107171, 26059627, 78178881]

約数ペア:

[(1, 78178881), (3, 26059627), (11, 7107171), (33, 2369057), (61, 1281621), (71, 1101111), (183, 427207), (213, 367037), (547, 142923), (671, 116511), (781, 100101), (1641, 47641), (2013, 38837), (2343, 33367), (4331, 18051), (6017, 12993)]