1388396541

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1\times {\mathrm{2251}}^1$

素因数の和:3561

約数の個数: 32

約数和(自身を含む): 2210347008

約数和(自身を除く): 821950467

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1277, 2251, 3831, 6753, 8939, 15757, 26817, 29371, 47271, 51773, 88113, 155319, 205597, 362411, 616791, 1087233, 2874527, 8623581, 20121689, 60365067, 66114121, 198342363, 462798847, 1388396541]

約数ペア:

[(1, 1388396541), (3, 462798847), (7, 198342363), (21, 66114121), (23, 60365067), (69, 20121689), (161, 8623581), (483, 2874527), (1277, 1087233), (2251, 616791), (3831, 362411), (6753, 205597), (8939, 155319), (15757, 88113), (26817, 51773), (29371, 47271)]