3397989

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 5474304

約数和(自身を除く): 2076315

約数列:

[1, 3, 7, 21, 43, 53, 71, 129, 159, 213, 301, 371, 497, 903, 1113, 1491, 2279, 3053, 3763, 6837, 9159, 11289, 15953, 21371, 26341, 47859, 64113, 79023, 161809, 485427, 1132663, 3397989]

約数ペア:

[(1, 3397989), (3, 1132663), (7, 485427), (21, 161809), (43, 79023), (53, 64113), (71, 47859), (129, 26341), (159, 21371), (213, 15953), (301, 11289), (371, 9159), (497, 6837), (903, 3763), (1113, 3053), (1491, 2279)]