1644147

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 2515968

約数和(自身を除く): 871821

約数列:

[1, 3, 9, 31, 71, 83, 93, 213, 249, 279, 639, 747, 2201, 2573, 5893, 6603, 7719, 17679, 19809, 23157, 53037, 182683, 548049, 1644147]

約数ペア:

[(1, 1644147), (3, 548049), (9, 182683), (31, 53037), (71, 23157), (83, 19809), (93, 17679), (213, 7719), (249, 6603), (279, 5893), (639, 2573), (747, 2201)]