81889791

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1\times {\mathrm{1913}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 115146240

約数和(自身を除く): 33256449

約数列:

[1, 3, 19, 57, 751, 1913, 2253, 5739, 14269, 36347, 42807, 109041, 1436663, 4309989, 27296597, 81889791]

約数ペア:

[(1, 81889791), (3, 27296597), (19, 4309989), (57, 1436663), (751, 109041), (1913, 42807), (2253, 36347), (5739, 14269)]