84129921

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{19597}}^1$

素因数の和:19662

約数の個数: 20

約数和(自身を含む): 128053332

約数和(自身を除く): 43923411

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 19597, 58791, 176373, 529119, 1038641, 1587357, 3115923, 9347769, 28043307, 84129921]

約数ペア:

[(1, 84129921), (3, 28043307), (9, 9347769), (27, 3115923), (53, 1587357), (81, 1038641), (159, 529119), (477, 176373), (1431, 58791), (4293, 19597)]