49987791

素因数分解:

$3^2\times 7^3\times {\mathrm{16193}}^1$

素因数の和:16220

約数の個数: 24

約数和(自身を含む): 84208800

約数和(自身を除く): 34221009

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 16193, 48579, 113351, 145737, 340053, 793457, 1020159, 2380371, 5554199, 7141113, 16662597, 49987791]

約数ペア:

[(1, 49987791), (3, 16662597), (7, 7141113), (9, 5554199), (21, 2380371), (49, 1020159), (63, 793457), (147, 340053), (343, 145737), (441, 113351), (1029, 48579), (3087, 16193)]