91757205

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3191}}^1$

素因数の和:3279

約数の個数: 40

約数和(自身を含む): 166852224

約数和(自身を除く): 75095019

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3191, 3195, 5751, 9573, 9585, 15955, 28719, 28755, 47865, 86157, 143595, 226561, 258471, 430785, 679683, 1132805, 1292355, 2039049, 3398415, 6117147, 10195245, 18351441, 30585735, 91757205]

約数ペア:

[(1, 91757205), (3, 30585735), (5, 18351441), (9, 10195245), (15, 6117147), (27, 3398415), (45, 2039049), (71, 1292355), (81, 1132805), (135, 679683), (213, 430785), (355, 258471), (405, 226561), (639, 143595), (1065, 86157), (1917, 47865), (3191, 28755), (3195, 28719), (5751, 15955), (9573, 9585)]