64640499

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{25439}}^1$

素因数の和:25471

約数の個数: 24

約数和(自身を含む): 108272640

約数和(自身を除く): 43632141

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 25439, 76317, 178073, 279829, 534219, 839487, 1958803, 3078119, 5876409, 9234357, 21546833, 64640499]

約数ペア:

[(1, 64640499), (3, 21546833), (7, 9234357), (11, 5876409), (21, 3078119), (33, 1958803), (77, 839487), (121, 534219), (231, 279829), (363, 178073), (847, 76317), (2541, 25439)]