2891187141

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{1021}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 4019059968

約数和(自身を除く): 1127872827

約数列:

[1, 3, 37, 97, 111, 263, 291, 789, 1021, 3063, 3589, 9731, 10767, 25511, 29193, 37777, 76533, 99037, 113331, 268523, 297111, 805569, 943907, 2831721, 3664369, 9935351, 10993107, 26046731, 29806053, 78140193, 963729047, 2891187141]

約数ペア:

[(1, 2891187141), (3, 963729047), (37, 78140193), (97, 29806053), (111, 26046731), (263, 10993107), (291, 9935351), (789, 3664369), (1021, 2831721), (3063, 943907), (3589, 805569), (9731, 297111), (10767, 268523), (25511, 113331), (29193, 99037), (37777, 76533)]