81703321

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{5303}}^1$

素因数の和:5412

約数の個数: 16

約数和(自身を含む): 97763328

約数和(自身を除く): 16060007

約数列:

[1, 7, 31, 71, 217, 497, 2201, 5303, 15407, 37121, 164393, 376513, 1150751, 2635591, 11671903, 81703321]

約数ペア:

[(1, 81703321), (7, 11671903), (31, 2635591), (71, 1150751), (217, 376513), (497, 164393), (2201, 37121), (5303, 15407)]