201680841621

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2971}}^1\times {\mathrm{25453}}^1$

素因数の和:28561

約数の個数: 32

約数和(自身を含む): 309859483648

約数和(自身を除く): 108178642027

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 2971, 8913, 20797, 25453, 62391, 76359, 178171, 377317, 534513, 1131951, 2641219, 3232531, 7923657, 9697593, 22627717, 67883151, 75620863, 226862589, 529346041, 1588038123, 9603849601, 28811548803, 67226947207, 201680841621]

約数ペア:

[(1, 201680841621), (3, 67226947207), (7, 28811548803), (21, 9603849601), (127, 1588038123), (381, 529346041), (889, 226862589), (2667, 75620863), (2971, 67883151), (8913, 22627717), (20797, 9697593), (25453, 7923657), (62391, 3232531), (76359, 2641219), (178171, 1131951), (377317, 534513)]