77355

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1$

素因数の和:208

約数の個数: 20

約数和(自身を含む): 139392

約数和(自身を除く): 62037

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 573, 955, 1719, 2865, 5157, 8595, 15471, 25785, 77355]

約数ペア:

[(1, 77355), (3, 25785), (5, 15471), (9, 8595), (15, 5157), (27, 2865), (45, 1719), (81, 955), (135, 573), (191, 405)]