28976139

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 42934320

約数和(自身を除く): 13958181

約数列:

[1, 3, 9, 59, 177, 197, 277, 531, 591, 831, 1773, 2493, 11623, 16343, 34869, 49029, 54569, 104607, 147087, 163707, 491121, 3219571, 9658713, 28976139]

約数ペア:

[(1, 28976139), (3, 9658713), (9, 3219571), (59, 491121), (177, 163707), (197, 147087), (277, 104607), (531, 54569), (591, 49029), (831, 34869), (1773, 16343), (2493, 11623)]