39438021

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{9533}}^1$

素因数の和:9740

約数の個数: 16

約数和(自身を含む): 60407424

約数和(自身を除く): 20969403

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 9533, 28599, 66731, 200193, 1878001, 5634003, 13146007, 39438021]

約数ペア:

[(1, 39438021), (3, 13146007), (7, 5634003), (21, 1878001), (197, 200193), (591, 66731), (1379, 28599), (4137, 9533)]