28105233

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42391}}^1$

素因数の和:42424

約数の個数: 16

約数和(自身を含む): 42731136

約数和(自身を除く): 14625903

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42391, 127173, 551083, 720647, 1653249, 2161941, 9368411, 28105233]

約数ペア:

[(1, 28105233), (3, 9368411), (13, 2161941), (17, 1653249), (39, 720647), (51, 551083), (221, 127173), (663, 42391)]