12999357

素因数分解:

$3^2\times 7^3\times {\mathrm{4211}}^1$

素因数の和:4238

約数の個数: 24

約数和(自身を含む): 21902400

約数和(自身を除く): 8903043

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 4211, 12633, 29477, 37899, 88431, 206339, 265293, 619017, 1444373, 1857051, 4333119, 12999357]

約数ペア:

[(1, 12999357), (3, 4333119), (7, 1857051), (9, 1444373), (21, 619017), (49, 265293), (63, 206339), (147, 88431), (343, 37899), (441, 29477), (1029, 12633), (3087, 4211)]