81678351

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1\times {\mathrm{1307}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 112132224

約数和(自身を除く): 30453873

約数列:

[1, 3, 37, 111, 563, 1307, 1689, 3921, 20831, 48359, 62493, 145077, 735841, 2207523, 27226117, 81678351]

約数ペア:

[(1, 81678351), (3, 27226117), (37, 2207523), (111, 735841), (563, 145077), (1307, 62493), (1689, 48359), (3921, 20831)]