87291999

素因数分解:

$3^4\times {\mathrm{619}}^1\times {\mathrm{1741}}^1$

素因数の和:2372

約数の個数: 20

約数和(自身を含む): 130684840

約数和(自身を除く): 43392841

約数列:

[1, 3, 9, 27, 81, 619, 1741, 1857, 5223, 5571, 15669, 16713, 47007, 50139, 141021, 1077679, 3233037, 9699111, 29097333, 87291999]

約数ペア:

[(1, 87291999), (3, 29097333), (9, 9699111), (27, 3233037), (81, 1077679), (619, 141021), (1741, 50139), (1857, 47007), (5223, 16713), (5571, 15669)]