31539051

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1384

約数の個数: 20

約数和(自身を含む): 47280024

約数和(自身を除く): 15740973

約数列:

[1, 3, 9, 27, 81, 401, 971, 1203, 2913, 3609, 8739, 10827, 26217, 32481, 78651, 389371, 1168113, 3504339, 10513017, 31539051]

約数ペア:

[(1, 31539051), (3, 10513017), (9, 3504339), (27, 1168113), (81, 389371), (401, 78651), (971, 32481), (1203, 26217), (2913, 10827), (3609, 8739)]