2890461

素因数分解:

$3^1\times 7^3\times {\mathrm{53}}^2$

素因数の和:130

約数の個数: 24

約数和(自身を含む): 4580800

約数和(自身を除く): 1690339

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 343, 371, 1029, 1113, 2597, 2809, 7791, 8427, 18179, 19663, 54537, 58989, 137641, 412923, 963487, 2890461]

約数ペア:

[(1, 2890461), (3, 963487), (7, 412923), (21, 137641), (49, 58989), (53, 54537), (147, 19663), (159, 18179), (343, 8427), (371, 7791), (1029, 2809), (1113, 2597)]