31921881

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1993}}^1$

素因数の和:2296

約数の個数: 16

約数和(自身を含む): 44984640

約数和(自身を除く): 13062759

約数列:

[1, 3, 19, 57, 281, 843, 1993, 5339, 5979, 16017, 37867, 113601, 560033, 1680099, 10640627, 31921881]

約数ペア:

[(1, 31921881), (3, 10640627), (19, 1680099), (57, 560033), (281, 113601), (843, 37867), (1993, 16017), (5339, 5979)]