28129713

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{23981}}^1$

素因数の和:24024

約数の個数: 16

約数和(自身を含む): 41440896

約数和(自身を除く): 13311183

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 23981, 71943, 407677, 551563, 1223031, 1654689, 9376571, 28129713]

約数ペア:

[(1, 28129713), (3, 9376571), (17, 1654689), (23, 1223031), (51, 551563), (69, 407677), (391, 71943), (1173, 23981)]