42565281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 64613376

約数和(自身を除く): 22048095

約数列:

[1, 3, 11, 33, 37, 71, 111, 213, 407, 491, 781, 1221, 1473, 2343, 2627, 5401, 7881, 16203, 18167, 28897, 34861, 54501, 86691, 104583, 199837, 383471, 599511, 1150413, 1289857, 3869571, 14188427, 42565281]

約数ペア:

[(1, 42565281), (3, 14188427), (11, 3869571), (33, 1289857), (37, 1150413), (71, 599511), (111, 383471), (213, 199837), (407, 104583), (491, 86691), (781, 54501), (1221, 34861), (1473, 28897), (2343, 18167), (2627, 16203), (5401, 7881)]