81111891

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{54401}}^1$

素因数の和:54482

約数の個数: 16

約数和(自身を含む): 125342208

約数和(自身を除く): 44230317

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 54401, 163203, 380807, 1142421, 3862471, 11587413, 27037297, 81111891]

約数ペア:

[(1, 81111891), (3, 27037297), (7, 11587413), (21, 3862471), (71, 1142421), (213, 380807), (497, 163203), (1491, 54401)]