80987361

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6899}}^1$

素因数の和:6965

約数の個数: 32

約数和(自身を含む): 136012800

約数和(自身を除く): 55025439

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 6899, 11739, 20697, 48293, 89687, 144879, 269061, 296657, 627809, 889971, 1883427, 2076599, 3856541, 6229797, 11569623, 26995787, 80987361]

約数ペア:

[(1, 80987361), (3, 26995787), (7, 11569623), (13, 6229797), (21, 3856541), (39, 2076599), (43, 1883427), (91, 889971), (129, 627809), (273, 296657), (301, 269061), (559, 144879), (903, 89687), (1677, 48293), (3913, 20697), (6899, 11739)]