81275759

素因数分解:

${\mathrm{17}}^3\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:355

約数の個数: 16

約数和(自身を含む): 87946560

約数和(自身を除く): 6670801

約数列:

[1, 17, 71, 233, 289, 1207, 3961, 4913, 16543, 20519, 67337, 281231, 348823, 1144729, 4780927, 81275759]

約数ペア:

[(1, 81275759), (17, 4780927), (71, 1144729), (233, 348823), (289, 281231), (1207, 67337), (3961, 20519), (4913, 16543)]