39960021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7877}}^1$

素因数の和:7988

約数の個数: 16

約数和(自身を含む): 56721600

約数和(自身を除く): 16761579

約数列:

[1, 3, 19, 57, 89, 267, 1691, 5073, 7877, 23631, 149663, 448989, 701053, 2103159, 13320007, 39960021]

約数ペア:

[(1, 39960021), (3, 13320007), (19, 2103159), (57, 701053), (89, 448989), (267, 149663), (1691, 23631), (5073, 7877)]