215845467

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 305270784

約数和(自身を除く): 89425317

約数列:

[1, 3, 31, 71, 93, 97, 213, 291, 337, 1011, 2201, 3007, 6603, 6887, 9021, 10447, 20661, 23927, 31341, 32689, 71781, 98067, 213497, 640491, 741737, 1013359, 2225211, 2320919, 3040077, 6962757, 71948489, 215845467]

約数ペア:

[(1, 215845467), (3, 71948489), (31, 6962757), (71, 3040077), (93, 2320919), (97, 2225211), (213, 1013359), (291, 741737), (337, 640491), (1011, 213497), (2201, 98067), (3007, 71781), (6603, 32689), (6887, 31341), (9021, 23927), (10447, 20661)]