51138867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 78317568

約数和(自身を除く): 27178701

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 611, 897, 1081, 1213, 1833, 3243, 3639, 14053, 15769, 27899, 42159, 47307, 57011, 83697, 171033, 362687, 741143, 1088061, 1311253, 2223429, 3933759, 17046289, 51138867]

約数ペア:

[(1, 51138867), (3, 17046289), (13, 3933759), (23, 2223429), (39, 1311253), (47, 1088061), (69, 741143), (141, 362687), (299, 171033), (611, 83697), (897, 57011), (1081, 47307), (1213, 42159), (1833, 27899), (3243, 15769), (3639, 14053)]