28505127

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{33107}}^1$

素因数の和:33158

約数の個数: 16

約数和(自身を含む): 44497152

約数和(自身を除く): 15992025

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 33107, 99321, 231749, 695247, 1357387, 4072161, 9501709, 28505127]

約数ペア:

[(1, 28505127), (3, 9501709), (7, 4072161), (21, 1357387), (41, 695247), (123, 231749), (287, 99321), (861, 33107)]