30656997

素因数分解:

$3^2\times 7^3\times {\mathrm{9931}}^1$

素因数の和:9958

約数の個数: 24

約数和(自身を含む): 51646400

約数和(自身を除く): 20989403

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9931, 29793, 69517, 89379, 208551, 486619, 625653, 1459857, 3406333, 4379571, 10218999, 30656997]

約数ペア:

[(1, 30656997), (3, 10218999), (7, 4379571), (9, 3406333), (21, 1459857), (49, 625653), (63, 486619), (147, 208551), (343, 89379), (441, 69517), (1029, 29793), (3087, 9931)]