28786857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6659}}^1$

素因数の和:6804

約数の個数: 16

約数和(自身を含む): 42197760

約数和(自身を除く): 13410903

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 6659, 19977, 73249, 219747, 872329, 2616987, 9595619, 28786857]

約数ペア:

[(1, 28786857), (3, 9595619), (11, 2616987), (33, 872329), (131, 219747), (393, 73249), (1441, 19977), (4323, 6659)]