51265809

素因数分解:

$3^2\times 7^3\times {\mathrm{16607}}^1$

素因数の和:16634

約数の個数: 24

約数和(自身を含む): 86361600

約数和(自身を除く): 35095791

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 16607, 49821, 116249, 149463, 348747, 813743, 1046241, 2441229, 5696201, 7323687, 17088603, 51265809]

約数ペア:

[(1, 51265809), (3, 17088603), (7, 7323687), (9, 5696201), (21, 2441229), (49, 1046241), (63, 813743), (147, 348747), (343, 149463), (441, 116249), (1029, 49821), (3087, 16607)]