28911127

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2771

約数の個数: 16

約数和(自身を含む): 34816000

約数和(自身を除く): 5904873

約数列:

[1, 7, 31, 49, 217, 343, 1519, 2719, 10633, 19033, 84289, 133231, 590023, 932617, 4130161, 28911127]

約数ペア:

[(1, 28911127), (7, 4130161), (31, 932617), (49, 590023), (217, 133231), (343, 84289), (1519, 19033), (2719, 10633)]