254130009

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1709}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 396829440

約数和(自身を除く): 142699431

約数列:

[1, 3, 7, 21, 73, 97, 219, 291, 511, 679, 1533, 1709, 2037, 5127, 7081, 11963, 21243, 35889, 49567, 124757, 148701, 165773, 374271, 497319, 873299, 1160411, 2619897, 3481233, 12101429, 36304287, 84710003, 254130009]

約数ペア:

[(1, 254130009), (3, 84710003), (7, 36304287), (21, 12101429), (73, 3481233), (97, 2619897), (219, 1160411), (291, 873299), (511, 497319), (679, 374271), (1533, 165773), (1709, 148701), (2037, 124757), (5127, 49567), (7081, 35889), (11963, 21243)]