388675203

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{64489}}^1$

素因数の和:64547

約数の個数: 24

約数和(自身を含む): 617556240

約数和(自身を除く): 228881037

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 64489, 193467, 451423, 1354269, 2644049, 3159961, 7932147, 9479883, 18508343, 55525029, 129558401, 388675203]

約数ペア:

[(1, 388675203), (3, 129558401), (7, 55525029), (21, 18508343), (41, 9479883), (49, 7932147), (123, 3159961), (147, 2644049), (287, 1354269), (861, 451423), (2009, 193467), (6027, 64489)]