40377981

素因数分解:

$3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{2857}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 61641344

約数和(自身を除く): 21263363

約数列:

[1, 3, 7, 21, 673, 2019, 2857, 4711, 8571, 14133, 19999, 59997, 1922761, 5768283, 13459327, 40377981]

約数ペア:

[(1, 40377981), (3, 13459327), (7, 5768283), (21, 1922761), (673, 59997), (2019, 19999), (2857, 14133), (4711, 8571)]