77821107

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1447}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 128443392

約数和(自身を除く): 50622285

約数列:

[1, 3, 7, 13, 21, 39, 91, 197, 273, 591, 1379, 1447, 2561, 4137, 4341, 7683, 10129, 17927, 18811, 30387, 53781, 56433, 131677, 285059, 395031, 855177, 1995413, 3705767, 5986239, 11117301, 25940369, 77821107]

約数ペア:

[(1, 77821107), (3, 25940369), (7, 11117301), (13, 5986239), (21, 3705767), (39, 1995413), (91, 855177), (197, 395031), (273, 285059), (591, 131677), (1379, 56433), (1447, 53781), (2561, 30387), (4137, 18811), (4341, 17927), (7683, 10129)]