51757719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 76446720

約数和(自身を除く): 24689001

約数列:

[1, 3, 13, 39, 79, 107, 157, 237, 321, 471, 1027, 1391, 2041, 3081, 4173, 6123, 8453, 12403, 16799, 25359, 37209, 50397, 109889, 161239, 218387, 329667, 483717, 655161, 1327121, 3981363, 17252573, 51757719]

約数ペア:

[(1, 51757719), (3, 17252573), (13, 3981363), (39, 1327121), (79, 655161), (107, 483717), (157, 329667), (237, 218387), (321, 161239), (471, 109889), (1027, 50397), (1391, 37209), (2041, 25359), (3081, 16799), (4173, 12403), (6123, 8453)]