40539261

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{7691}}^1$

素因数の和:7952

約数の個数: 16

約数和(自身を含む): 62028288

約数和(自身を除く): 21489027

約数列:

[1, 3, 7, 21, 251, 753, 1757, 5271, 7691, 23073, 53837, 161511, 1930441, 5791323, 13513087, 40539261]

約数ペア:

[(1, 40539261), (3, 13513087), (7, 5791323), (21, 1930441), (251, 161511), (753, 53837), (1757, 23073), (5271, 7691)]