81431391

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{13183}}^1$

素因数の和:13286

約数の個数: 16

約数和(自身を含む): 113909760

約数和(自身を除く): 32478369

約数列:

[1, 3, 29, 71, 87, 213, 2059, 6177, 13183, 39549, 382307, 935993, 1146921, 2807979, 27143797, 81431391]

約数ペア:

[(1, 81431391), (3, 27143797), (29, 2807979), (71, 1146921), (87, 935993), (213, 382307), (2059, 39549), (6177, 13183)]