28840401

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{24841}}^1$

素因数の和:24893

約数の個数: 16

約数和(自身を含む): 43721920

約数和(自身を除く): 14881519

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 24841, 74523, 223569, 670707, 1068163, 3204489, 9613467, 28840401]

約数ペア:

[(1, 28840401), (3, 9613467), (9, 3204489), (27, 1068163), (43, 670707), (129, 223569), (387, 74523), (1161, 24841)]