42278157

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 62599680

約数和(自身を除く): 20321523

約数列:

[1, 3, 9, 71, 109, 213, 327, 607, 639, 981, 1821, 5463, 7739, 23217, 43097, 66163, 69651, 129291, 198489, 387873, 595467, 4697573, 14092719, 42278157]

約数ペア:

[(1, 42278157), (3, 14092719), (9, 4697573), (71, 595467), (109, 387873), (213, 198489), (327, 129291), (607, 69651), (639, 66163), (981, 43097), (1821, 23217), (5463, 7739)]