28878843

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31981}}^1$

素因数の和:32034

約数の個数: 16

約数和(自身を含む): 45030656

約数和(自身を除く): 16151813

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31981, 95943, 223867, 671601, 1375183, 4125549, 9626281, 28878843]

約数ペア:

[(1, 28878843), (3, 9626281), (7, 4125549), (21, 1375183), (43, 671601), (129, 223867), (301, 95943), (903, 31981)]