81168621

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{1307}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 109830144

約数和(自身を除く): 28661523

約数列:

[1, 3, 127, 163, 381, 489, 1307, 3921, 20701, 62103, 165989, 213041, 497967, 639123, 27056207, 81168621]

約数ペア:

[(1, 81168621), (3, 27056207), (127, 639123), (163, 497967), (381, 213041), (489, 165989), (1307, 62103), (3921, 20701)]